TDMS Study 55301-06 Pathology Tables
NTP STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS REPORT: PEIRPT10 LAB: TSI Mason Research PYRIDINE DATE: 09/29/97 EXPERIMENT: 55301 TEST: 06 TIME: 09:12:05 TEST TYPE: CHRONIC CAGES FROM 0000 TO LAST CAGE PAGE: CONT: N01-ES-95268 ROUTE: DOSED WATER NTP C#: 55301B PATHOLOGIST: D. SAUER CAS: 110-86-1 Rats(WISTAR OUTBRED) ----------------------------- FOR ALL DOSES THE TUMOR RATES IN THE FOLLOWING TISSUES/ORGANS ARE BASED ON NUMBER OF TISSUES EXAMINED. IN OTHER TISSUES/ORGANS, RATES ARE BASED ON NUMBER OF ANIMALS NECROPSIED. ---------------- Adrenal Gland Adrenal Medulla Bone Marrow Brain Clitoral Gland Clitoral/Preputial Gland Epididymis Heart Islets, Pancreatic Kidney Liver Lung Nose Ovary Pancreas Parathyroid Gland Pituitary Gland Preputial Gland Prostate Salivary Glands Spleen Testes Thymus Thyroid Gland Urinary Bladder NTP STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS REPORT: PEIRPT10 LAB: TSI Mason Research PYRIDINE DATE: 09/29/97 EXPERIMENT: 55301 TEST: 06 TIME: 09:12:05 TEST TYPE: CHRONIC CAGES FROM 0000 TO LAST CAGE PAGE: CONT: N01-ES-95268 ROUTE: DOSED WATER NTP C#: 55301B PATHOLOGIST: D. SAUER CAS: 110-86-1 SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS IN THE ANALYSIS OF PYRIDINE =============================================================== Male Rats ------------ Organ Morphology ----- ---------- Adrenal Cortex Hemorrhage Necrosis Vacuolization Cytoplasmic Blood Vessel Mineralization Blood Vessel: Aorta Mineralization Bone Fibrous Osteodystrophy Bone: Cranium Fibrous Osteodystrophy Bone: Vertebra Fibrous Osteodystrophy Heart Cardiomyopathy Mineralization Heart: Artery Mineralization Kidney Congestion Cyst Hydronephrosis Mineralization Kidney: Artery Mineralization Kidney: Renal Tubule Hyperplasia Kidney: Vein Thrombosis Liver Angiectasis Basophilic Focus Clear Cell Focus Congestion Degeneration Cystic Eosinophilic Focus Fibrosis Hemorrhage Mineralization Pigmentation Regeneration Liver: Bile Duct Cyst Hyperplasia Liver: Centrilobular Degeneration Necrosis Liver: Periportal Fibrosis Lung Congestion Hemorrhage Lung: Alveolus Infiltration Cellular Histiocyte Lung: Artery Mineralization Lymph Node, Mandibular Congestion Lymph Node, Mediastinal Ectasia Hemorrhage Lymph Node, Mesenteric Atrophy Hyperplasia Lymphoid NTP STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS REPORT: PEIRPT10 LAB: TSI Mason Research PYRIDINE DATE: 09/29/97 EXPERIMENT: 55301 TEST: 06 TIME: 09:12:05 TEST TYPE: CHRONIC CAGES FROM 0000 TO LAST CAGE PAGE: CONT: N01-ES-95268 ROUTE: DOSED WATER NTP C#: 55301B PATHOLOGIST: D. SAUER CAS: 110-86-1 Lymph Node: Iliac Hemorrhage Hyperplasia Lymph Node: Pancreatic Hemorrhage Lymph Node: Renal Hemorrhage Hyperplasia Hyperplasia Lymphoid Mammary Gland: Artery Mineralization Mesentery: Artery Inflammation Mesentery: Vein Thrombosis Nose Foreign Body Inflammation Acute Nose: Respiratory Epithelium Hyperplasia Pancreas Hyperplasia Parathyroid Gland Hyperplasia Peripheral Nerve Radicular Neuropathy Pituitary Gland Congestion Hyperplasia Preputial Gland Inflammation Preputial Gland: Duct Cyst Prostate Inflammation Acute Skin Hyperplasia Stomach, Forestomach Cyst Foreign Body Hyperplasia Inflammation Chronic Stomach, Glandular Mineralization Testes Atrophy Testes: Artery Inflammation Testes: Interstitial Cell Hyperplasia Thymus Atrophy Hemorrhage Hyperplasia Thyroid Gland: Follicle Cyst =============================================================== Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 1 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 0.0% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 642 --- 595 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.326 P=0.181 (e) P=0.372 | |POLY 3 | P=0.414 P=0.210 (e) P=0.434 | |POLY 1.5 | P=0.469 P=0.221 (e) P=0.462 | |POLY 6 | P=0.346 P=0.198 (e) P=0.395 | |LOGISTIC REGRESSION| P=0.477 P=0.205 (e) P=0.534 | |COCH-ARM / FISHERS | P=0.539 P=0.247 (e) P=0.500 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Degeneration | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 642 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.553N P=0.193 (e) (e) | |POLY 3 | P=0.489N P=0.211 (e) (e) | |POLY 1.5 | P=0.452N P=0.221 (e) (e) | |POLY 6 | P=0.552N P=0.201 (e) (e) | |LOGISTIC REGRESSION| P=0.444N P=0.231 (e) (e) | |COCH-ARM / FISHERS | P=0.405N P=0.247 (e) (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 2 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 0/50 (0%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 7.4% 0.0% 0.0% 0.0% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 616 --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.113N P=0.199N P=0.227N P=0.343N | |POLY 3 | P=0.039N* P=0.145N P=0.154N P=0.197N | |POLY 1.5 | P=0.041N* P=0.134N P=0.138N P=0.159N | |POLY 6 | P=0.039N* P=0.161N P=0.176N P=0.263N | |LOGISTIC REGRESSION| P=0.075N P=0.149N P=0.161N P=0.237N | |COCH-ARM / FISHERS | P=0.047N* P=0.121N P=0.121N P=0.121N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 2/50 (4%) 1/50 (2%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 2.5% 5.5% 2.9% 3.5% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 470 588 562 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.520 P=0.424 P=0.655 P=0.571 | |POLY 3 | P=0.572 P=0.463 P=0.725 P=0.680 | |POLY 1.5 | P=0.586N P=0.478 P=0.740 P=0.717 | |POLY 6 | P=0.488 P=0.447 P=0.706 P=0.625 | |LOGISTIC REGRESSION| P=0.480N P=0.539 P=0.751 P=0.738 | |COCH-ARM / FISHERS | P=0.531N P=0.500 P=0.753N P=0.753N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 3 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Hypertrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 2/50 (4%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 5.0% 5.7% 5.9% 0.0% | |TERMINAL (d) | 1/22 (5%) 1/14 (7%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 705 690 632 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.463N P=0.544 P=0.484 P=0.511N | |POLY 3 | P=0.261N P=0.646 P=0.634 P=0.324N | |POLY 1.5 | P=0.214N P=0.666 P=0.660 P=0.283N | |POLY 6 | P=0.347N P=0.623 P=0.602 P=0.386N | |LOGISTIC REGRESSION| P=0.351N P=0.591 P=0.589 P=0.470N | |COCH-ARM / FISHERS | P=0.163N P=0.691N P=0.691N P=0.247N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Necrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 0.0% 7.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- --- 658 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.010 * (e) (e) P=0.074 | |POLY 3 | P=0.036 * (e) (e) P=0.170 | |POLY 1.5 | P=0.039 * (e) (e) P=0.197 | |POLY 6 | P=0.034 * (e) (e) P=0.139 | |LOGISTIC REGRESSION| P=0.019 * (e) (e) P=0.122 | |COCH-ARM / FISHERS | P=0.046 * (e) (e) P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 4 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Cortex | | Vacuolization Cytoplasmic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 17/50 (34%) 13/50 (26%) 12/50 (24%) 7/50 (14%) | |POLY-3 ADJUSTED (b)| 39.7% 34.6% 33.7% 23.1% | |TERMINAL (d) | 9/22 (41%) 6/14 (43%) 4/11 (36%) 2/7 (29%) | |FIRST INCIDENCE | 572 486 404 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.497 P=0.502 P=0.432 P=0.588N | |POLY 3 | P=0.088N P=0.403N P=0.376N P=0.106N | |POLY 1.5 | P=0.040N* P=0.337N P=0.283N P=0.049N* | |POLY 6 | P=0.225N P=0.492N P=0.509N P=0.259N | |LOGISTIC REGRESSION| P=0.107N P=0.377N P=0.372N P=0.108N | |COCH-ARM / FISHERS | P=0.014N* P=0.257N P=0.189N P=0.017N* | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Adrenal Medulla | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 4/50 (8%) 2/50 (4%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 7.4% 11.2% 5.9% 3.6% | |TERMINAL (d) | 2/22 (9%) 1/14 (7%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 576 660 682 722 (T) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.531N P=0.319 P=0.631 P=0.689N | |POLY 3 | P=0.286N P=0.428 P=0.581N P=0.445N | |POLY 1.5 | P=0.226N P=0.457 P=0.547N P=0.381N | |POLY 6 | P=0.393N P=0.397 P=0.623N P=0.538N | |LOGISTIC REGRESSION| P=0.383N P=0.416 P=0.607N P=0.548N | |COCH-ARM / FISHERS | P=0.162N P=0.500 P=0.500N P=0.309N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 5 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Blood Vessel | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/8 (75%) 6/23 (26%) 1/12 (8%) 0/3 (0%) | |POLY-3 ADJUSTED (b)| 80.7% 35.2% 13.8% 0.0% | |TERMINAL (d) | 0/0 (0%) 0/2 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 468 445 500 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.023N* P=0.490 P=0.109N P=0.088N | |POLY 3 | P=0.002N** P=0.027N* P=0.004N** P=0.255N | |POLY 1.5 | P=0.002N** P=0.020N* P<0.001N** P=0.107N | |POLY 6 | P=0.006N** P=0.048N* P=0.019N* P=0.556N | |LOGISTIC REGRESSION| P=0.003N** P=0.021N* P=0.004N** P=0.059N | |COCH-ARM / FISHERS | P=0.005N** P=0.022N* P=0.004N** P=0.061N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Blood Vessel: Aorta | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 7/8 (88%) 21/23 (91%) 10/12 (83%) 3/3 (100%) | |POLY-3 ADJUSTED (b)| 96.3% 94.4% 88.5% 100.0% | |TERMINAL (d) | 0/0 (0%) 1/2 (50%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 557 352 354 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.309N P=0.002 ** P=0.150 P=0.518N | |POLY 3 | P=0.744N P=0.802N P=0.626N P=0.999 | |POLY 1.5 | P=0.736N P=0.812 P=0.616N P=0.919 | |POLY 6 | P=0.794N P=0.750N P=0.751N P=1.000 | |LOGISTIC REGRESSION| P=0.591 P=0.636 P=0.663N (e) | |COCH-ARM / FISHERS | P=0.613 P=0.606 P=0.656N P=0.727 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 6 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Blood Vessel: Pulmonary Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/8 (38%) 3/23 (13%) 5/12 (42%) 2/3 (67%) | |POLY-3 ADJUSTED (b)| 52.1% 20.1% 60.2% 86.8% | |TERMINAL (d) | 0/0 (0%) 0/2 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 559 634 501 499 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.326 P=0.532 P=0.215 P=0.586 | |POLY 3 | P=0.109 P=0.167N P=0.604 P=0.449 | |POLY 1.5 | P=0.112 P=0.165N P=0.594 P=0.432 | |POLY 6 | P=0.123 P=0.170N P=0.655 P=0.531 | |LOGISTIC REGRESSION| P=0.062 P=0.125N P=0.554 P=0.309 | |COCH-ARM / FISHERS | P=0.131 P=0.161N P=0.612 P=0.424 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Bone | | Fibrous Osteodystrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 10/50 (20%) 21/50 (42%) 16/50 (32%) 6/50 (12%) | |POLY-3 ADJUSTED (b)| 23.4% 48.4% 38.7% 18.9% | |TERMINAL (d) | 1/22 (5%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 352 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.527 P=0.007 ** P=0.041 * P=0.491 | |POLY 3 | P=0.304N P=0.011 * P=0.095 P=0.429N | |POLY 1.5 | P=0.158N P=0.012 * P=0.107 P=0.323N | |POLY 6 | P=0.510 P=0.012 * P=0.085 P=0.584N | |LOGISTIC REGRESSION| P=0.009N** P=0.033 * P=0.276 P=0.118N | |COCH-ARM / FISHERS | P=0.055N P=0.015 * P=0.127 P=0.207N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 7 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Bone Marrow: Myeloid Cell | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 1/50 (2%) 1/50 (2%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 4.9% 2.9% 2.9% 0.0% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 624 722 (T) 494 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.278N P=0.598N P=0.566N P=0.413N | |POLY 3 | P=0.200N P=0.552N P=0.558N P=0.327N | |POLY 1.5 | P=0.178N P=0.530N P=0.533N P=0.285N | |POLY 6 | P=0.248N P=0.579N P=0.589N P=0.392N | |LOGISTIC REGRESSION| P=0.149N P=0.536N P=0.431N P=0.262N | |COCH-ARM / FISHERS | P=0.153N P=0.500N P=0.500N P=0.247N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Bone: Cranium | | Fibrous Osteodystrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 10/50 (20%) 15/50 (30%) 13/50 (26%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 23.4% 36.2% 32.8% 6.8% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 352 354 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.207N P=0.085 P=0.119 P=0.216N | |POLY 3 | P=0.101N P=0.143 P=0.237 P=0.065N | |POLY 1.5 | P=0.036N* P=0.154 P=0.270 P=0.034N* | |POLY 6 | P=0.299N P=0.137 P=0.204 P=0.145N | |LOGISTIC REGRESSION| P=0.002N** P=0.273 P=0.478 P=0.014N* | |COCH-ARM / FISHERS | P=0.008N** P=0.178 P=0.318 P=0.014N* | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 8 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Bone: Vertebra | | Fibrous Osteodystrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 4/50 (8%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 10.9% 5.8% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 506 501 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.537N P=0.047 * P=0.158 (e) | |POLY 3 | P=0.535N P=0.049 * P=0.204 (e) | |POLY 1.5 | P=0.444N P=0.053 P=0.218 (e) | |POLY 6 | P=0.492 P=0.045 * P=0.189 (e) | |LOGISTIC REGRESSION| P=0.283N P=0.082 P=0.260 (e) | |COCH-ARM / FISHERS | P=0.337N P=0.059 P=0.247 (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Heart | | Cardiomyopathy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 49/50 (98%) 49/50 (98%) 49/50 (98%) 47/50 (94%) | |POLY-3 ADJUSTED (b)| 98.0% 99.8% 99.4% 98.9% | |TERMINAL (d) | 21/22 (96%) 14/14 (100%) 11/11 (100%) 7/7 (100%) | |FIRST INCIDENCE | 283 352 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.048 * P=0.011 * P<0.001 ** | |POLY 3 | P=0.612 P=0.544 P=0.623 P=0.706 | |POLY 1.5 | P=0.565N P=0.622 P=0.690 P=0.758N | |POLY 6 | P=0.388 P=0.508 P=0.545 P=0.571 | |LOGISTIC REGRESSION| P=0.416N P=0.690 P=0.737 P=0.634N | |COCH-ARM / FISHERS | P=0.163N P=0.753N P=0.753N P=0.309N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 9 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Heart | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 17/50 (34%) 12/50 (24%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 14.3% 40.8% 30.7% 10.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 445 479 550 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.470N P=0.005 ** P=0.040 * P=0.636N | |POLY 3 | P=0.344N P=0.005 ** P=0.061 P=0.439N | |POLY 1.5 | P=0.180N P=0.005 ** P=0.073 P=0.348N | |POLY 6 | P=0.455 P=0.005 ** P=0.051 P=0.568N | |LOGISTIC REGRESSION| P=0.023N* P=0.018 * P=0.184 P=0.181N | |COCH-ARM / FISHERS | P=0.064N P=0.008 ** P=0.096 P=0.243N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Heart: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 15/50 (30%) 9/50 (18%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 9.7% 36.5% 24.1% 6.8% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 559 352 479 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.444N P=0.003 ** P=0.047 * P=0.656N | |POLY 3 | P=0.333N P=0.003 ** P=0.076 P=0.502N | |POLY 1.5 | P=0.188N P=0.003 ** P=0.091 P=0.428N | |POLY 6 | P=0.494 P=0.003 ** P=0.062 P=0.604N | |LOGISTIC REGRESSION| P=0.033N* P=0.011 * P=0.168 P=0.257N | |COCH-ARM / FISHERS | P=0.080N P=0.005 ** P=0.117 P=0.339N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 10 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Heart: Atrium | | Thrombosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 2/50 (4%) 5/50 (10%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 9.8% 5.6% 14.2% 10.3% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 616 642 486 580 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.193 P=0.493N P=0.282 P=0.358 | |POLY 3 | P=0.413 P=0.403N P=0.406 P=0.626 | |POLY 1.5 | P=0.501 P=0.375N P=0.445 P=0.603N | |POLY 6 | P=0.300 P=0.436N P=0.360 P=0.517 | |LOGISTIC REGRESSION| P=0.462 P=0.392N P=0.450 P=0.644 | |COCH-ARM / FISHERS | P=0.537N P=0.339N P=0.500 P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Intestine Large, Cecum | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/32 (3%) 2/37 (5%) 1/29 (3%) 0/27 (0%) | |POLY-3 ADJUSTED (b)| 3.5% 7.2% 5.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/10 (0%) 0/7 (0%) | |FIRST INCIDENCE | 701 561 575 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.453N P=0.391 P=0.676 P=0.734N | |POLY 3 | P=0.428N P=0.488 P=0.676 P=0.614N | |POLY 1.5 | P=0.373N P=0.513 P=0.701 P=0.583N | |POLY 6 | P=0.517N P=0.458 P=0.652 P=0.650N | |LOGISTIC REGRESSION| P=0.300N P=0.562 P=0.782N P=0.685N | |COCH-ARM / FISHERS | P=0.297N P=0.555 P=0.729 P=0.542N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 11 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Intestine Large, Cecum | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/32 (0%) 2/37 (5%) 2/29 (7%) 1/27 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 7.3% 9.8% 6.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/10 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 679 473 499 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.261 P=0.176 P=0.173 P=0.453 | |POLY 3 | P=0.210 P=0.225 P=0.166 P=0.392 | |POLY 1.5 | P=0.276 P=0.242 P=0.183 P=0.420 | |POLY 6 | P=0.144 P=0.207 P=0.151 P=0.359 | |LOGISTIC REGRESSION| P=0.422 P=0.209 P=0.292 P=0.668 | |COCH-ARM / FISHERS | P=0.389 P=0.284 P=0.222 P=0.458 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Intestine Large, Cecum | | Ulcer | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/32 (0%) 2/37 (5%) 0/29 (0%) 2/27 (7%) | |POLY-3 ADJUSTED (b)| 0.0% 7.1% 0.0% 11.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/10 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 573 --- 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.148 P=0.202 (e) P=0.165 | |POLY 3 | P=0.112 P=0.232 (e) P=0.135 | |POLY 1.5 | P=0.138 P=0.246 (e) P=0.157 | |POLY 6 | P=0.087 P=0.216 (e) P=0.113 | |LOGISTIC REGRESSION| P=0.324 P=0.394 (e) P=0.355 | |COCH-ARM / FISHERS | P=0.187 P=0.284 (e) P=0.205 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 12 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Islets, Pancreatic | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/47 (2%) 1/50 (2%) 2/49 (4%) 1/49 (2%) | |POLY-3 ADJUSTED (b)| 2.6% 2.8% 6.0% 3.6% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 593 704 616 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.304 P=0.695 P=0.321 P=0.547 | |POLY 3 | P=0.452 P=0.747 P=0.454 P=0.690 | |POLY 1.5 | P=0.518 P=0.758 P=0.480 P=0.727 | |POLY 6 | P=0.363 P=0.733 P=0.424 P=0.633 | |LOGISTIC REGRESSION| P=0.471 P=0.765N P=0.376 P=0.684 | |COCH-ARM / FISHERS | P=0.600 P=0.737N P=0.516 P=0.742N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 0/50 (0%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 9.6% 0.0% 0.0% 6.9% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 283 --- --- 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.519N P=0.099N P=0.112N P=0.604N | |POLY 3 | P=0.326N P=0.085N P=0.091N P=0.513N | |POLY 1.5 | P=0.328N P=0.074N P=0.077N P=0.436N | |POLY 6 | P=0.326N P=0.099N P=0.112N P=0.618N | |LOGISTIC REGRESSION| P=0.220N P=0.030N* P=0.028N* P=0.177N | |COCH-ARM / FISHERS | P=0.337N P=0.059N P=0.059N P=0.339N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 13 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 21/50 (42%) 31/50 (62%) 19/50 (38%) 16/50 (32%) | |POLY-3 ADJUSTED (b)| 48.8% 71.0% 48.2% 47.6% | |TERMINAL (d) | 11/22 (50%) 7/14 (50%) 6/11 (55%) 4/7 (57%) | |FIRST INCIDENCE | 557 445 354 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.105 P=0.005 ** P=0.134 P=0.042 * | |POLY 3 | P=0.255N P=0.022 * P=0.570N P=0.550N | |POLY 1.5 | P=0.121N P=0.023 * P=0.503N P=0.383N | |POLY 6 | P=0.519N P=0.030 * P=0.543 P=0.421 | |LOGISTIC REGRESSION| P=0.141N P=0.017 * P=0.548N P=0.581 | |COCH-ARM / FISHERS | P=0.039N* P=0.036 * P=0.419N P=0.204N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Hydronephrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 19/50 (38%) 20/50 (40%) 30/50 (60%) 15/50 (30%) | |POLY-3 ADJUSTED (b)| 43.9% 51.3% 66.4% 43.5% | |TERMINAL (d) | 9/22 (41%) 7/14 (50%) 3/11 (27%) 2/7 (29%) | |FIRST INCIDENCE | 536 336 354 450 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.025 * P=0.134 P=0.002 ** P=0.071 | |POLY 3 | P=0.387 P=0.320 P=0.022 * P=0.582N | |POLY 1.5 | P=0.511N P=0.396 P=0.021 * P=0.437N | |POLY 6 | P=0.194 P=0.237 P=0.026 * P=0.421 | |LOGISTIC REGRESSION| P=0.366N P=0.356 P=0.037 * P=0.426N | |COCH-ARM / FISHERS | P=0.281N P=0.500 P=0.022 * P=0.263N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 14 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 0.0% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 611 --- 660 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.327 P=0.177 (e) P=0.342 | |POLY 3 | P=0.412 P=0.210 (e) P=0.432 | |POLY 1.5 | P=0.468 P=0.221 (e) P=0.462 | |POLY 6 | P=0.345 P=0.199 (e) P=0.393 | |LOGISTIC REGRESSION| P=0.448 P=0.217 (e) P=0.423 | |COCH-ARM / FISHERS | P=0.539 P=0.247 (e) P=0.500 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/50 (16%) 17/50 (34%) 8/50 (16%) 5/50 (10%) | |POLY-3 ADJUSTED (b)| 18.8% 40.7% 21.4% 16.5% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | 557 352 404 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.482N P=0.015 * P=0.372 P=0.455 | |POLY 3 | P=0.278N P=0.021 * P=0.495 P=0.524N | |POLY 1.5 | P=0.155N P=0.024 * P=0.544 P=0.410N | |POLY 6 | P=0.503N P=0.019 * P=0.435 P=0.560 | |LOGISTIC REGRESSION| P=0.023N* P=0.063 P=0.457N P=0.230N | |COCH-ARM / FISHERS | P=0.064N P=0.032 * P=0.607N P=0.277N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 15 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney | | Nephropathy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 50/50 (100%) 50/50 (100%) 50/50 (100%) 50/50 (100%) | |POLY-3 ADJUSTED (b)| 100.0% 100.0% 100.0% 100.0% | |TERMINAL (d) | 22/22 (100%) 14/14 (100%) 11/11 (100%) 7/7 (100%) | |FIRST INCIDENCE | 283 336 354 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | (e) (e) (e) (e) | |POLY 3 | (e) (e) (e) (e) | |POLY 1.5 | (e) (e) (e) (e) | |POLY 6 | (e) (e) (e) (e) | |LOGISTIC REGRESSION| (e) (e) (e) (e) | |COCH-ARM / FISHERS | (e) (e) (e) (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/50 (10%) 8/50 (16%) 3/50 (6%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 11.9% 20.9% 8.6% 0.0% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 479 500 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.079N P=0.169 P=0.522N P=0.134N | |POLY 3 | P=0.051N P=0.211 P=0.462N P=0.083N | |POLY 1.5 | P=0.025N* P=0.236 P=0.416N P=0.054N | |POLY 6 | P=0.125N P=0.187 P=0.518N P=0.143N | |LOGISTIC REGRESSION| P=0.005N** P=0.376 P=0.264N P=0.016N* | |COCH-ARM / FISHERS | P=0.011N* P=0.277 P=0.357N P=0.028N* | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 16 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney: Renal Tubule | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 17/50 (34%) 8/50 (16%) 5/50 (10%) | |POLY-3 ADJUSTED (b)| 14.5% 41.6% 22.0% 16.2% | |TERMINAL (d) | 4/22 (18%) 3/14 (21%) 3/11 (27%) 0/7 (0%) | |FIRST INCIDENCE | 468 445 354 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.430 P=0.003 ** P=0.122 P=0.315 | |POLY 3 | P=0.390N P=0.004 ** P=0.288 P=0.552 | |POLY 1.5 | P=0.255N P=0.005 ** P=0.330 P=0.617N | |POLY 6 | P=0.489 P=0.005 ** P=0.239 P=0.438 | |LOGISTIC REGRESSION| P=0.093N P=0.012 * P=0.430 P=0.434N | |COCH-ARM / FISHERS | P=0.131N P=0.008 ** P=0.387 P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Kidney: Vein | | Thrombosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 1/50 (2%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 5.7% 2.9% 10.3% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 668 561 616 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.021 * P=0.173 P=0.450 P=0.033 * | |POLY 3 | P=0.055 P=0.210 P=0.469 P=0.071 | |POLY 1.5 | P=0.073 P=0.221 P=0.482 P=0.089 | |POLY 6 | P=0.038 * P=0.198 P=0.453 P=0.053 | |LOGISTIC REGRESSION| P=0.073 P=0.200 P=0.557 P=0.082 | |COCH-ARM / FISHERS | P=0.104 P=0.247 P=0.500 P=0.121 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 17 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Angiectasis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/50 (10%) 9/50 (18%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 12.4% 24.2% 5.7% 0.0% | |TERMINAL (d) | 3/22 (14%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 695 561 354 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.089N P=0.080 P=0.434N P=0.230N | |POLY 3 | P=0.025N* P=0.144 P=0.276N P=0.074N | |POLY 1.5 | P=0.013N* P=0.161 P=0.249N P=0.051N | |POLY 6 | P=0.060N P=0.133 P=0.312N P=0.123N | |LOGISTIC REGRESSION| P=0.014N* P=0.123 P=0.237N P=0.171N | |COCH-ARM / FISHERS | P=0.007N** P=0.194 P=0.218N P=0.028N* | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Basophilic Focus | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 0.0% 6.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- --- 550 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.019 * (e) (e) P=0.119 | |POLY 3 | P=0.036 * (e) (e) P=0.172 | |POLY 1.5 | P=0.039 * (e) (e) P=0.198 | |POLY 6 | P=0.033 * (e) (e) P=0.142 | |LOGISTIC REGRESSION| P=0.043 * (e) (e) P=0.231 | |COCH-ARM / FISHERS | P=0.046 * (e) (e) P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 18 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Clear Cell Focus | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 15/50 (30%) 7/50 (14%) 8/50 (16%) 8/50 (16%) | |POLY-3 ADJUSTED (b)| 36.5% 19.6% 23.7% 28.1% | |TERMINAL (d) | 12/22 (55%) 6/14 (43%) 8/11 (73%) 7/7 (100%) | |FIRST INCIDENCE | 592 470 722 (T) 631 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.088 P=0.228N P=0.613 P=0.129 | |POLY 3 | P=0.260N P=0.077N P=0.167N P=0.318N | |POLY 1.5 | P=0.173N P=0.061N P=0.119N P=0.178N | |POLY 6 | P=0.432N P=0.104N P=0.254N P=0.590N | |LOGISTIC REGRESSION| P=0.305 P=0.118N P=0.306N P=0.343 | |COCH-ARM / FISHERS | P=0.100N P=0.045N* P=0.077N P=0.077N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 19/50 (38%) 12/50 (24%) 6/50 (12%) 17/50 (34%) | |POLY-3 ADJUSTED (b)| 42.4% 31.3% 17.1% 46.6% | |TERMINAL (d) | 2/22 (9%) 2/14 (14%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 536 470 631 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.055 P=0.371N P=0.066N P=0.063 | |POLY 3 | P=0.449 P=0.204N P=0.013N* P=0.437 | |POLY 1.5 | P=0.542N P=0.151N P=0.006N** P=0.573 | |POLY 6 | P=0.303 P=0.290N P=0.033N* P=0.260 | |LOGISTIC REGRESSION| P=0.462N P=0.105N P=0.004N** P=0.310N | |COCH-ARM / FISHERS | P=0.436N P=0.097N P=0.002N** P=0.418N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 19 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Degeneration Cystic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 7/50 (14%) 13/50 (26%) 9/50 (18%) 5/50 (10%) | |POLY-3 ADJUSTED (b)| 17.2% 34.0% 25.2% 17.5% | |TERMINAL (d) | 5/22 (23%) 2/14 (14%) 2/11 (18%) 3/7 (43%) | |FIRST INCIDENCE | 618 541 515 631 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.212 P=0.032 * P=0.103 P=0.162 | |POLY 3 | P=0.500N P=0.067 P=0.279 P=0.609 | |POLY 1.5 | P=0.333N P=0.079 P=0.325 P=0.524N | |POLY 6 | P=0.339 P=0.060 P=0.232 P=0.443 | |LOGISTIC REGRESSION| P=0.510N P=0.063 P=0.246 P=0.310 | |COCH-ARM / FISHERS | P=0.170N P=0.105 P=0.393 P=0.380N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Eosinophilic Focus | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 14/50 (28%) 12/50 (24%) 4/50 (8%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 34.3% 33.0% 11.7% 7.0% | |TERMINAL (d) | 11/22 (50%) 7/14 (50%) 2/11 (18%) 0/7 (0%) | |FIRST INCIDENCE | 644 634 631 658 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.051N P=0.320 P=0.130N P=0.138N | |POLY 3 | P<0.001N** P=0.550N P=0.019N* P=0.008N** | |POLY 1.5 | P<0.001N** P=0.493N P=0.013N* P=0.003N** | |POLY 6 | P=0.004N** P=0.592 P=0.029N* P=0.029N* | |LOGISTIC REGRESSION| P=0.011N* P=0.495 P=0.044N* P=0.063N | |COCH-ARM / FISHERS | P<0.001N** P=0.410N P=0.009N** P<0.001N** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 20 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Fibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 5/50 (10%) 26/50 (52%) 31/50 (62%) | |POLY-3 ADJUSTED (b)| 2.5% 13.8% 61.3% 76.7% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 4/11 (36%) 5/7 (71%) | |FIRST INCIDENCE | 707 581 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.054 P<0.001 ** P<0.001 ** | |POLY 3 | P<0.001 ** P=0.077 P<0.001 ** P<0.001 ** | |POLY 1.5 | P<0.001 ** P=0.086 P<0.001 ** P<0.001 ** | |POLY 6 | P<0.001 ** P=0.068 P<0.001 ** P<0.001 ** | |LOGISTIC REGRESSION| P<0.001 ** P=0.077 P<0.001 ** P<0.001 ** | |COCH-ARM / FISHERS | P<0.001 ** P=0.102 P<0.001 ** P<0.001 ** | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 1/50 (2%) 5/50 (10%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 2.5% 2.8% 14.2% 10.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 616 638 447 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.042 * P=0.720 P=0.051 P=0.160 | |POLY 3 | P=0.069 P=0.730 P=0.071 P=0.205 | |POLY 1.5 | P=0.103 P=0.743 P=0.083 P=0.246 | |POLY 6 | P=0.037 * P=0.715 P=0.058 P=0.158 | |LOGISTIC REGRESSION| P=0.197 P=0.753N P=0.116 P=0.427 | |COCH-ARM / FISHERS | P=0.162 P=0.753N P=0.102 P=0.309 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 21 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Hepatodiaphragmatic Nodule | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 1/50 (2%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 5.0% 2.8% 5.8% 0.0% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 701 372 487 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.353N P=0.602N P=0.549 P=0.515N | |POLY 3 | P=0.287N P=0.539N P=0.641 P=0.324N | |POLY 1.5 | P=0.246N P=0.522N P=0.663 P=0.283N | |POLY 6 | P=0.361N P=0.560N P=0.613 P=0.386N | |LOGISTIC REGRESSION| P=0.148N P=0.444N P=0.693 P=0.462N | |COCH-ARM / FISHERS | P=0.200N P=0.500N P=0.691N P=0.247N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Infiltration Cellular Histiocyte | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 1/50 (2%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 2.8% 5.8% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 595 561 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.551 P=0.468 P=0.193 (e) | |POLY 3 | P=0.496 P=0.476 P=0.205 (e) | |POLY 1.5 | P=0.587 P=0.485 P=0.218 (e) | |POLY 6 | P=0.372 P=0.465 P=0.191 (e) | |LOGISTIC REGRESSION| P=0.577N P=0.534 P=0.274 (e) | |COCH-ARM / FISHERS | P=0.616N P=0.500 P=0.247 (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 22 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 1/50 (2%) 3/50 (6%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 2.5% 2.9% 8.6% 3.6% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 639 722 (T) 404 709 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.287 P=0.688 P=0.221 P=0.537 | |POLY 3 | P=0.368 P=0.729 P=0.254 P=0.674 | |POLY 1.5 | P=0.452 P=0.742 P=0.276 P=0.714 | |POLY 6 | P=0.265 P=0.711 P=0.229 P=0.612 | |LOGISTIC REGRESSION| P=0.513 P=0.731 P=0.368 P=0.657 | |COCH-ARM / FISHERS | P=0.556 P=0.753N P=0.309 P=0.753N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 1/50 (2%) 3/50 (6%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 2.8% 8.5% 10.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 581 473 483 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.027 * P=0.465 P=0.100 P=0.087 | |POLY 3 | P=0.030 * P=0.476 P=0.096 P=0.075 | |POLY 1.5 | P=0.043 * P=0.486 P=0.105 P=0.092 | |POLY 6 | P=0.018 * P=0.465 P=0.086 P=0.056 | |LOGISTIC REGRESSION| P=0.135 P=0.542 P=0.158 P=0.225 | |COCH-ARM / FISHERS | P=0.067 P=0.500 P=0.121 P=0.121 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 23 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Necrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 7/50 (14%) 6/50 (12%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 14.6% 19.0% 16.0% 6.9% | |TERMINAL (d) | 2/22 (9%) 3/14 (21%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 598 470 447 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.387N P=0.291 P=0.418 P=0.504N | |POLY 3 | P=0.226N P=0.413 P=0.554 P=0.271N | |POLY 1.5 | P=0.153N P=0.448 P=0.582 P=0.203N | |POLY 6 | P=0.361N P=0.372 P=0.518 P=0.386N | |LOGISTIC REGRESSION| P=0.060N P=0.454 P=0.486N P=0.188N | |COCH-ARM / FISHERS | P=0.086N P=0.500 P=0.620N P=0.134N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Pigmentation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 15/50 (30%) 34/50 (68%) 42/50 (84%) | |POLY-3 ADJUSTED (b)| 14.6% 38.0% 75.3% 92.5% | |TERMINAL (d) | 2/22 (9%) 3/14 (21%) 6/11 (55%) 7/7 (100%) | |FIRST INCIDENCE | 557 372 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.008 ** P<0.001 ** P<0.001 ** | |POLY 3 | P<0.001 ** P=0.013 * P<0.001 ** P<0.001 ** | |POLY 1.5 | P<0.001 ** P=0.016 * P<0.001 ** P<0.001 ** | |POLY 6 | P<0.001 ** P=0.011 * P<0.001 ** P<0.001 ** | |LOGISTIC REGRESSION| P<0.001 ** P=0.023 * P<0.001 ** P<0.001 ** | |COCH-ARM / FISHERS | P<0.001 ** P=0.024 * P<0.001 ** P<0.001 ** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 24 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Regeneration | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 0.0% 6.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- --- 556 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.013 * (e) (e) P=0.088 | |POLY 3 | P=0.036 * (e) (e) P=0.172 | |POLY 1.5 | P=0.039 * (e) (e) P=0.198 | |POLY 6 | P=0.033 * (e) (e) P=0.141 | |LOGISTIC REGRESSION| P=0.039 * (e) (e) P=0.214 | |COCH-ARM / FISHERS | P=0.046 * (e) (e) P=0.247 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver | | Vacuolization Cytoplasmic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 18/50 (36%) 18/50 (36%) 12/50 (24%) 15/50 (30%) | |POLY-3 ADJUSTED (b)| 42.0% 46.1% 32.5% 43.2% | |TERMINAL (d) | 8/22 (36%) 6/14 (43%) 3/11 (27%) 1/7 (14%) | |FIRST INCIDENCE | 468 470 473 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.065 P=0.200 P=0.559 P=0.059 | |POLY 3 | P=0.472N P=0.439 P=0.258N P=0.550 | |POLY 1.5 | P=0.357N P=0.495 P=0.200N P=0.508N | |POLY 6 | P=0.454 P=0.380 P=0.337N P=0.393 | |LOGISTIC REGRESSION| P=0.431N P=0.447 P=0.233N P=0.498N | |COCH-ARM / FISHERS | P=0.228N P=0.582N P=0.138N P=0.335N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 25 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Bile Duct | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 2/50 (4%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 5.9% 10.3% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 645 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.004 ** (e) P=0.147 P=0.043 * | |POLY 3 | P=0.013 * (e) P=0.202 P=0.072 | |POLY 1.5 | P=0.018 * (e) P=0.216 P=0.090 | |POLY 6 | P=0.009 ** (e) P=0.186 P=0.053 | |LOGISTIC REGRESSION| P=0.017 * (e) P=0.186 P=0.118 | |COCH-ARM / FISHERS | P=0.028 * (e) P=0.247 P=0.121 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Bile Duct | | Dilatation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 5.7% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 679 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.594N P=0.176 (e) (e) | |POLY 3 | P=0.490N P=0.209 (e) (e) | |POLY 1.5 | P=0.453N P=0.220 (e) (e) | |POLY 6 | P=0.553N P=0.198 (e) (e) | |LOGISTIC REGRESSION| P=0.531N P=0.196 (e) (e) | |COCH-ARM / FISHERS | P=0.405N P=0.247 (e) (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 26 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Bile Duct | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 31/50 (62%) 33/50 (66%) 30/50 (60%) 27/50 (54%) | |POLY-3 ADJUSTED (b)| 71.7% 76.0% 72.4% 73.1% | |TERMINAL (d) | 21/22 (96%) 11/14 (79%) 9/11 (82%) 7/7 (100%) | |FIRST INCIDENCE | 536 372 354 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.026 * P=0.015 * P<0.001 ** | |POLY 3 | P=0.542 P=0.407 P=0.573 P=0.550 | |POLY 1.5 | P=0.365N P=0.394 P=0.576N P=0.489N | |POLY 6 | P=0.305 P=0.490 P=0.557 P=0.338 | |LOGISTIC REGRESSION| P=0.381 P=0.180 P=0.317 P=0.118 | |COCH-ARM / FISHERS | P=0.170N P=0.418 P=0.500N P=0.272N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Centrilobular | | Degeneration | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 15/50 (30%) 25/50 (50%) 33/50 (66%) | |POLY-3 ADJUSTED (b)| 2.5% 36.3% 58.9% 77.4% | |TERMINAL (d) | 1/22 (5%) 1/14 (7%) 6/11 (55%) 6/7 (86%) | |FIRST INCIDENCE | 722 (T) 445 481 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |POLY 3 | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |POLY 1.5 | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |POLY 6 | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |LOGISTIC REGRESSION| P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |COCH-ARM / FISHERS | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 27 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Centrilobular | | Necrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/50 (10%) 6/50 (12%) 4/50 (8%) 23/50 (46%) | |POLY-3 ADJUSTED (b)| 12.1% 15.9% 11.2% 58.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | 572 486 481 450 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.349 P=0.592 P<0.001 ** | |POLY 3 | P<0.001 ** P=0.437 P=0.594N P<0.001 ** | |POLY 1.5 | P<0.001 ** P=0.461 P=0.554N P<0.001 ** | |POLY 6 | P<0.001 ** P=0.412 P=0.637 P<0.001 ** | |LOGISTIC REGRESSION| P<0.001 ** P=0.580 P=0.434N P<0.001 ** | |COCH-ARM / FISHERS | P<0.001 ** P=0.500 P=0.500N P<0.001 ** | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Hepatocyte | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 0/50 (0%) 1/50 (2%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 5.0% 0.0% 3.0% 3.5% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) --- 722 (T) 627 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.498 P=0.341N P=0.736 P=0.664 | |POLY 3 | P=0.531N P=0.267N P=0.560N P=0.616N | |POLY 1.5 | P=0.518N P=0.255N P=0.534N P=0.566N | |POLY 6 | P=0.552N P=0.283N P=0.591N P=0.681N | |LOGISTIC REGRESSION| P=0.574 (e) P=0.736 P=0.740N | |COCH-ARM / FISHERS | P=0.500N P=0.247N P=0.500N P=0.500N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 28 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Liver: Periportal | | Fibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 5/50 (10%) 7/50 (14%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 14.1% 22.6% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 473 531 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) P=0.021 * P<0.001 ** | |POLY 3 | P<0.001 ** (e) P=0.021 * P=0.002 ** | |POLY 1.5 | P<0.001 ** (e) P=0.024 * P=0.004 ** | |POLY 6 | P<0.001 ** (e) P=0.017 * P<0.001 ** | |LOGISTIC REGRESSION| P<0.001 ** (e) P=0.040 * P=0.009 ** | |COCH-ARM / FISHERS | P<0.001 ** (e) P=0.028 * P=0.006 ** | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 4/50 (8%) 2/50 (4%) 4/50 (8%) | |POLY-3 ADJUSTED (b)| 0.0% 11.0% 5.7% 13.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 549 404 553 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.025 * P=0.044 * P=0.211 P=0.010 * | |POLY 3 | P=0.047 * P=0.048 * P=0.208 P=0.030 * | |POLY 1.5 | P=0.070 P=0.053 P=0.220 P=0.041 * | |POLY 6 | P=0.027 * P=0.044 * P=0.194 P=0.020 * | |LOGISTIC REGRESSION| P=0.163 P=0.071 P=0.315 P=0.053 | |COCH-ARM / FISHERS | P=0.114 P=0.059 P=0.247 P=0.059 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 29 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung | | Edema | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 611 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.551N P=0.201 (e) (e) | |POLY 3 | P=0.489N P=0.212 (e) (e) | |POLY 1.5 | P=0.452N P=0.222 (e) (e) | |POLY 6 | P=0.552N P=0.202 (e) (e) | |LOGISTIC REGRESSION| P=0.408N P=0.248 (e) (e) | |COCH-ARM / FISHERS | P=0.405N P=0.247 (e) (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 1/50 (2%) 10/50 (20%) 7/50 (14%) | |POLY-3 ADJUSTED (b)| 4.9% 2.8% 26.4% 22.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 618 647 473 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.557N P=0.007 ** P=0.014 * | |POLY 3 | P=0.003 ** P=0.550N P=0.008 ** P=0.031 * | |POLY 1.5 | P=0.007 ** P=0.529N P=0.010 * P=0.047 * | |POLY 6 | P<0.001 ** P=0.575N P=0.006 ** P=0.017 * | |LOGISTIC REGRESSION| P=0.039 * P=0.482N P=0.029 * P=0.141 | |COCH-ARM / FISHERS | P=0.019 * P=0.500N P=0.014 * P=0.080 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 30 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 3/50 (6%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 2.5% 8.2% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 598 549 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.255N P=0.250 P=0.545N P=0.638N | |POLY 3 | P=0.224N P=0.267 P=0.536N P=0.571N | |POLY 1.5 | P=0.189N P=0.282 P=0.521N P=0.540N | |POLY 6 | P=0.288N P=0.252 P=0.556N P=0.613N | |LOGISTIC REGRESSION| P=0.112N P=0.371 P=0.465N P=0.470N | |COCH-ARM / FISHERS | P=0.153N P=0.309 P=0.500N P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung | | Inflammation Granulomatous | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 1/50 (2%) 5/50 (10%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 10.0% 2.9% 14.5% 7.0% | |TERMINAL (d) | 3/22 (14%) 1/14 (7%) 3/11 (27%) 1/7 (14%) | |FIRST INCIDENCE | 701 722 (T) 501 631 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.240 P=0.334N P=0.174 P=0.506 | |POLY 3 | P=0.550 P=0.221N P=0.404 P=0.504N | |POLY 1.5 | P=0.510N P=0.203N P=0.445 P=0.429N | |POLY 6 | P=0.429 P=0.244N P=0.355 P=0.609N | |LOGISTIC REGRESSION| P=0.397 P=0.291N P=0.328 P=0.619 | |COCH-ARM / FISHERS | P=0.420N P=0.181N P=0.500 P=0.339N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 31 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Alveolar Epithelium | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 0/50 (0%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 2.5% 0.0% 5.9% 0.0% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) --- 700 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.604 P=0.590N P=0.296 P=0.727N | |POLY 3 | P=0.553N P=0.527N P=0.441 P=0.569N | |POLY 1.5 | P=0.511N P=0.516N P=0.466 P=0.539N | |POLY 6 | P=0.608 P=0.540N P=0.411 P=0.610N | |LOGISTIC REGRESSION| P=0.641 (e) P=0.348 (e) | |COCH-ARM / FISHERS | P=0.461N P=0.500N P=0.500 P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Alveolus | | Infiltration Cellular Histiocyte | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/50 (16%) 5/50 (10%) 4/50 (8%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 19.0% 13.8% 11.5% 0.0% | |TERMINAL (d) | 2/22 (9%) 1/14 (7%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 557 549 486 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.059N P=0.496N P=0.433N P=0.069N | |POLY 3 | P=0.014N* P=0.376N P=0.279N P=0.020N* | |POLY 1.5 | P=0.007N** P=0.333N P=0.231N P=0.010N* | |POLY 6 | P=0.038N* P=0.430N P=0.345N P=0.051N | |LOGISTIC REGRESSION| P=0.006N** P=0.292N P=0.192N P=0.008N** | |COCH-ARM / FISHERS | P=0.003N** P=0.277N P=0.178N P=0.003N** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 32 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Alveolus | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 0/50 (0%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 4.9% 0.0% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.164N P=0.285N P=0.304N P=0.365N | |POLY 3 | P=0.098N P=0.274N P=0.283N P=0.330N | |POLY 1.5 | P=0.104N P=0.258N P=0.263N P=0.287N | |POLY 6 | P=0.099N P=0.295N P=0.311N P=0.396N | |LOGISTIC REGRESSION| P=0.075N P=0.175N P=0.170N P=0.147N | |COCH-ARM / FISHERS | P=0.115N P=0.247N P=0.247N P=0.247N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/50 (4%) 3/50 (6%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 4.9% 8.1% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 479 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.142N P=0.417 P=0.326N P=0.442N | |POLY 3 | P=0.113N P=0.454 P=0.281N P=0.328N | |POLY 1.5 | P=0.093N P=0.472 P=0.261N P=0.285N | |POLY 6 | P=0.154N P=0.433 P=0.307N P=0.392N | |LOGISTIC REGRESSION| P=0.038N* P=0.616 P=0.218N P=0.231N | |COCH-ARM / FISHERS | P=0.073N P=0.500 P=0.247N P=0.247N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 33 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Interstitium | | Fibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 6/50 (12%) 4/50 (8%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 9.8% 16.1% 11.6% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 618 352 664 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.389N P=0.238 P=0.432 P=0.470N | |POLY 3 | P=0.230N P=0.310 P=0.548 P=0.301N | |POLY 1.5 | P=0.159N P=0.335 P=0.589 P=0.242N | |POLY 6 | P=0.363N P=0.280 P=0.499 P=0.396N | |LOGISTIC REGRESSION| P=0.103N P=0.408 P=0.545 P=0.197N | |COCH-ARM / FISHERS | P=0.094N P=0.370 P=0.643N P=0.181N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lung: Interstitium | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 642 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.553N P=0.193 (e) (e) | |POLY 3 | P=0.489N P=0.211 (e) (e) | |POLY 1.5 | P=0.452N P=0.221 (e) (e) | |POLY 6 | P=0.552N P=0.201 (e) (e) | |LOGISTIC REGRESSION| P=0.444N P=0.231 (e) (e) | |COCH-ARM / FISHERS | P=0.405N P=0.247 (e) (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 34 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/31 (6%) 1/44 (2%) 0/38 (0%) 0/32 (0%) | |POLY-3 ADJUSTED (b)| 8.2% 3.2% 0.0% 0.0% | |TERMINAL (d) | 1/13 (8%) 1/12 (8%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 717 722 (T) --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.235N P=0.576N P=0.371N P=0.521N | |POLY 3 | P=0.095N P=0.416N P=0.226N P=0.324N | |POLY 1.5 | P=0.095N P=0.398N P=0.209N P=0.279N | |POLY 6 | P=0.104N P=0.441N P=0.249N P=0.394N | |LOGISTIC REGRESSION| P=0.212N P=0.509N P=0.304N P=0.528N | |COCH-ARM / FISHERS | P=0.096N P=0.370N P=0.198N P=0.238N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/31 (6%) 1/44 (2%) 0/38 (0%) 0/32 (0%) | |POLY-3 ADJUSTED (b)| 8.2% 3.2% 0.0% 0.0% | |TERMINAL (d) | 1/13 (8%) 1/12 (8%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 717 722 (T) --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.235N P=0.576N P=0.371N P=0.521N | |POLY 3 | P=0.095N P=0.416N P=0.226N P=0.324N | |POLY 1.5 | P=0.095N P=0.398N P=0.209N P=0.279N | |POLY 6 | P=0.104N P=0.441N P=0.249N P=0.394N | |LOGISTIC REGRESSION| P=0.212N P=0.509N P=0.304N P=0.528N | |COCH-ARM / FISHERS | P=0.096N P=0.370N P=0.198N P=0.238N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 35 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/31 (6%) 0/44 (0%) 0/38 (0%) 0/32 (0%) | |POLY-3 ADJUSTED (b)| 8.1% 0.0% 0.0% 0.0% | |TERMINAL (d) | 1/13 (8%) 0/12 (0%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 681 --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.199N P=0.281N P=0.334N P=0.477N | |POLY 3 | P=0.081N P=0.183N P=0.227N P=0.326N | |POLY 1.5 | P=0.092N P=0.173N P=0.210N P=0.280N | |POLY 6 | P=0.077N P=0.198N P=0.252N P=0.397N | |LOGISTIC REGRESSION| P=0.167N P=0.209N P=0.263N P=0.441N | |COCH-ARM / FISHERS | P=0.109N P=0.168N P=0.198N P=0.238N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mandibular | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/48 (0%) 5/49 (10%) 1/47 (2%) 4/48 (8%) | |POLY-3 ADJUSTED (b)| 0.0% 13.6% 3.0% 13.3% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 536 447 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.098 P=0.025 * P=0.496 P=0.061 | |POLY 3 | P=0.084 P=0.026 * P=0.471 P=0.034 * | |POLY 1.5 | P=0.111 P=0.028 * P=0.481 P=0.044 * | |POLY 6 | P=0.055 P=0.024 * P=0.459 P=0.023 * | |LOGISTIC REGRESSION| P=0.380 P=0.053 P=0.551 P=0.178 | |COCH-ARM / FISHERS | P=0.159 P=0.030 * P=0.495 P=0.059 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 36 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mandibular | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 15/48 (31%) 8/49 (16%) 10/47 (21%) 10/48 (21%) | |POLY-3 ADJUSTED (b)| 37.3% 22.6% 27.9% 33.8% | |TERMINAL (d) | 10/22 (46%) 5/14 (36%) 1/11 (9%) 3/7 (43%) | |FIRST INCIDENCE | 592 372 404 467 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.115 P=0.321N P=0.560 P=0.129 | |POLY 3 | P=0.449N P=0.122N P=0.262N P=0.480N | |POLY 1.5 | P=0.353N P=0.094N P=0.229N P=0.328N | |POLY 6 | P=0.495 P=0.172N P=0.303N P=0.513 | |LOGISTIC REGRESSION| P=0.501N P=0.133N P=0.239N P=0.567 | |COCH-ARM / FISHERS | P=0.240N P=0.068N P=0.192N P=0.176N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mandibular | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/48 (6%) 1/49 (2%) 3/47 (6%) 1/48 (2%) | |POLY-3 ADJUSTED (b)| 7.8% 2.9% 9.0% 3.7% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 644 647 575 627 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.564 P=0.428N P=0.453 P=0.662N | |POLY 3 | P=0.431N P=0.346N P=0.593 P=0.436N | |POLY 1.5 | P=0.379N P=0.326N P=0.618 P=0.377N | |POLY 6 | P=0.509N P=0.370N P=0.566 P=0.520N | |LOGISTIC REGRESSION| P=0.430N P=0.356N P=0.604 P=0.509N | |COCH-ARM / FISHERS | P=0.316N P=0.301N P=0.651 P=0.308N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 37 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mandibular | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/48 (8%) 8/49 (16%) 6/47 (13%) 4/48 (8%) | |POLY-3 ADJUSTED (b)| 10.0% 21.8% 17.4% 13.8% | |TERMINAL (d) | 0/22 (0%) 3/14 (21%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | 283 372 494 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.284 P=0.099 P=0.245 P=0.337 | |POLY 3 | P=0.425 P=0.130 P=0.276 P=0.459 | |POLY 1.5 | P=0.552 P=0.151 P=0.305 P=0.543 | |POLY 6 | P=0.271 P=0.110 P=0.251 P=0.349 | |LOGISTIC REGRESSION| P=0.252N P=0.261 P=0.471 P=0.310N | |COCH-ARM / FISHERS | P=0.416N P=0.188 P=0.356 P=0.643N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mediastinal | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 3/50 (6%) 2/50 (4%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 2.5% 8.3% 5.7% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 601 552 487 568 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.537 P=0.237 P=0.436 P=0.619 | |POLY 3 | P=0.540 P=0.264 P=0.449 P=0.677 | |POLY 1.5 | P=0.562N P=0.280 P=0.470 P=0.716 | |POLY 6 | P=0.425 P=0.248 P=0.423 P=0.620 | |LOGISTIC REGRESSION| P=0.376N P=0.338 P=0.615 P=0.728N | |COCH-ARM / FISHERS | P=0.474N P=0.309 P=0.500 P=0.753N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 38 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mediastinal | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 12/50 (24%) 9/50 (18%) 6/50 (12%) | |POLY-3 ADJUSTED (b)| 14.4% 33.3% 24.5% 18.9% | |TERMINAL (d) | 2/22 (9%) 8/14 (57%) 3/11 (27%) 0/7 (0%) | |FIRST INCIDENCE | 559 573 486 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.149 P=0.017 * P=0.094 P=0.255 | |POLY 3 | P=0.448 P=0.040 * P=0.196 P=0.422 | |POLY 1.5 | P=0.519N P=0.059 P=0.234 P=0.508 | |POLY 6 | P=0.270 P=0.023 * P=0.154 P=0.308 | |LOGISTIC REGRESSION| P=0.437N P=0.044 * P=0.340 P=0.429N | |COCH-ARM / FISHERS | P=0.362N P=0.096 P=0.288 P=0.620N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mediastinal | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/50 (16%) 15/50 (30%) 10/50 (20%) 9/50 (18%) | |POLY-3 ADJUSTED (b)| 18.9% 38.5% 26.4% 28.2% | |TERMINAL (d) | 1/22 (5%) 3/14 (21%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 559 541 486 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.097 P=0.026 * P=0.174 P=0.071 | |POLY 3 | P=0.327 P=0.040 * P=0.296 P=0.254 | |POLY 1.5 | P=0.473 P=0.051 P=0.337 P=0.355 | |POLY 6 | P=0.166 P=0.031 * P=0.250 P=0.144 | |LOGISTIC REGRESSION| P=0.430N P=0.070 P=0.492 P=0.536 | |COCH-ARM / FISHERS | P=0.430N P=0.077 P=0.398 P=0.500 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 39 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mediastinal | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 1/50 (2%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 3.0% 3.5% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | --- 593 722 (T) 552 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.270 P=0.178 P=0.362 P=0.417 | |POLY 3 | P=0.347 P=0.210 P=0.466 P=0.434 | |POLY 1.5 | P=0.413 P=0.221 P=0.480 P=0.463 | |POLY 6 | P=0.264 P=0.199 P=0.448 P=0.396 | |LOGISTIC REGRESSION| P=0.434 P=0.222 P=0.362 P=0.581 | |COCH-ARM / FISHERS | P=0.500 P=0.247 P=0.500 P=0.500 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mesenteric | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/46 (0%) 6/50 (12%) 1/50 (2%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 15.8% 2.9% 6.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 445 500 595 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.356 P=0.013 * P=0.469 P=0.107 | |POLY 3 | P=0.363 P=0.014 * P=0.479 P=0.181 | |POLY 1.5 | P=0.466 P=0.016 * P=0.495 P=0.211 | |POLY 6 | P=0.242 P=0.012 * P=0.459 P=0.147 | |LOGISTIC REGRESSION| P=0.428N P=0.044 * P=0.605 P=0.224 | |COCH-ARM / FISHERS | P=0.585N P=0.017 * P=0.521 P=0.269 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 40 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mesenteric | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/46 (11%) 6/50 (12%) 6/50 (12%) 5/50 (10%) | |POLY-3 ADJUSTED (b)| 13.0% 16.1% 17.2% 16.3% | |TERMINAL (d) | 5/22 (23%) 1/14 (7%) 2/11 (18%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 470 515 489 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.133 P=0.286 P=0.159 P=0.167 | |POLY 3 | P=0.404 P=0.480 P=0.435 P=0.487 | |POLY 1.5 | P=0.506 P=0.511 P=0.487 P=0.572 | |POLY 6 | P=0.279 P=0.447 P=0.375 P=0.376 | |LOGISTIC REGRESSION| P=0.555 P=0.520 P=0.347 P=0.589 | |COCH-ARM / FISHERS | P=0.482N P=0.559 P=0.559 P=0.575N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mesenteric | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 12/46 (26%) 14/50 (28%) 12/50 (24%) 12/50 (24%) | |POLY-3 ADJUSTED (b)| 29.7% 35.4% 31.7% 35.3% | |TERMINAL (d) | 2/22 (9%) 2/14 (14%) 2/11 (18%) 1/7 (14%) | |FIRST INCIDENCE | 616 445 515 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.058 P=0.181 P=0.244 P=0.060 | |POLY 3 | P=0.384 P=0.377 P=0.521 P=0.395 | |POLY 1.5 | P=0.518 P=0.429 P=0.589 P=0.522 | |POLY 6 | P=0.223 P=0.322 P=0.443 P=0.240 | |LOGISTIC REGRESSION| P=0.393N P=0.499 P=0.537N P=0.471N | |COCH-ARM / FISHERS | P=0.400N P=0.508 P=0.499N P=0.499N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 41 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mesenteric | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/46 (0%) 2/50 (4%) 0/50 (0%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 5.5% 0.0% 3.6% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | --- 536 --- 722 (T) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.365 P=0.211 (e) P=0.273 | |POLY 3 | P=0.413 P=0.224 (e) P=0.440 | |POLY 1.5 | P=0.476 P=0.236 (e) P=0.473 | |POLY 6 | P=0.345 P=0.210 (e) P=0.395 | |LOGISTIC REGRESSION| P=0.568 P=0.326 (e) P=0.273 | |COCH-ARM / FISHERS | P=0.556 P=0.269 (e) P=0.521 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node, Mesenteric | | Hyperplasia Lymphoid | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/46 (2%) 1/50 (2%) 2/50 (4%) 5/50 (10%) | |POLY-3 ADJUSTED (b)| 2.6% 2.9% 5.8% 16.1% | |TERMINAL (d) | 1/22 (5%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 722 (T) 515 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.004 ** P=0.659 P=0.360 P=0.025 * | |POLY 3 | P=0.016 * P=0.741 P=0.464 P=0.059 | |POLY 1.5 | P=0.023 * P=0.757 P=0.492 P=0.083 | |POLY 6 | P=0.011 * P=0.720 P=0.432 P=0.037 * | |LOGISTIC REGRESSION| P=0.077 P=0.659 P=0.544 P=0.313 | |COCH-ARM / FISHERS | P=0.033 * P=0.731N P=0.532 P=0.122 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 42 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Iliac | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/31 (16%) 3/44 (7%) 3/38 (8%) 1/32 (3%) | |POLY-3 ADJUSTED (b)| 19.9% 9.6% 11.8% 5.6% | |TERMINAL (d) | 2/13 (15%) 1/12 (8%) 1/8 (13%) 0/4 (0%) | |FIRST INCIDENCE | 576 649 705 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.383N P=0.484N P=0.630N P=0.386N | |POLY 3 | P=0.137N P=0.232N P=0.342N P=0.195N | |POLY 1.5 | P=0.109N P=0.208N P=0.296N P=0.141N | |POLY 6 | P=0.196N P=0.270N P=0.411N P=0.295N | |LOGISTIC REGRESSION| P=0.210N P=0.254N P=0.404N P=0.158N | |COCH-ARM / FISHERS | P=0.080N P=0.182N P=0.246N P=0.091N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Iliac | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/31 (3%) 2/44 (5%) 2/38 (5%) 3/32 (9%) | |POLY-3 ADJUSTED (b)| 4.1% 6.4% 7.7% 16.6% | |TERMINAL (d) | 0/13 (0%) 1/12 (8%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 717 714 622 468 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.039 * P=0.393 P=0.349 P=0.090 | |POLY 3 | P=0.114 P=0.584 P=0.519 P=0.201 | |POLY 1.5 | P=0.145 P=0.601 P=0.542 P=0.247 | |POLY 6 | P=0.082 P=0.560 P=0.489 P=0.148 | |LOGISTIC REGRESSION| P=0.082 P=0.502 P=0.493 P=0.221 | |COCH-ARM / FISHERS | P=0.194 P=0.630 P=0.577 P=0.319 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 43 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Iliac | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 4/44 (9%) 2/38 (5%) 2/32 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 12.1% 7.7% 10.8% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 1/8 (13%) 0/4 (0%) | |FIRST INCIDENCE | --- 352 515 468 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.221 P=0.045 * P=0.165 P=0.209 | |POLY 3 | P=0.211 P=0.099 P=0.248 P=0.177 | |POLY 1.5 | P=0.274 P=0.106 P=0.264 P=0.204 | |POLY 6 | P=0.139 P=0.091 P=0.229 P=0.145 | |LOGISTIC REGRESSION| P=0.541 P=0.133 P=0.292 P=0.375 | |COCH-ARM / FISHERS | P=0.366 P=0.112 P=0.300 P=0.254 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Iliac | | Hyperplasia Lymphoid | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 1/44 (2%) 2/38 (5%) 1/32 (3%) | |POLY-3 ADJUSTED (b)| 0.0% 3.2% 7.7% 5.7% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | --- 552 588 568 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.195 P=0.463 P=0.152 P=0.395 | |POLY 3 | P=0.198 P=0.552 P=0.246 P=0.435 | |POLY 1.5 | P=0.254 P=0.560 P=0.263 P=0.466 | |POLY 6 | P=0.140 P=0.540 P=0.227 P=0.394 | |LOGISTIC REGRESSION| P=0.350 P=0.595 P=0.258 P=0.555 | |COCH-ARM / FISHERS | P=0.337 P=0.587 P=0.300 P=0.508 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 44 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Pancreatic | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/31 (6%) 5/44 (11%) 0/38 (0%) 1/32 (3%) | |POLY-3 ADJUSTED (b)| 8.2% 15.5% 0.0% 5.7% | |TERMINAL (d) | 2/13 (15%) 1/12 (8%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 722 (T) 479 --- 545 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.439N P=0.153 P=0.348N P=0.693 | |POLY 3 | P=0.245N P=0.333 P=0.225N P=0.613N | |POLY 1.5 | P=0.208N P=0.353 P=0.209N P=0.560N | |POLY 6 | P=0.306N P=0.308 P=0.249N P=0.683N | |LOGISTIC REGRESSION| P=0.256N P=0.317 (e) P=0.661N | |COCH-ARM / FISHERS | P=0.169N P=0.384 P=0.198N P=0.488N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Pancreatic | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/31 (13%) 5/44 (11%) 4/38 (11%) 7/32 (22%) | |POLY-3 ADJUSTED (b)| 16.1% 15.6% 15.5% 34.0% | |TERMINAL (d) | 1/13 (8%) 0/12 (0%) 2/8 (25%) 0/4 (0%) | |FIRST INCIDENCE | 674 610 622 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.016 * P=0.327 P=0.389 P=0.038 * | |POLY 3 | P=0.085 P=0.623N P=0.626N P=0.143 | |POLY 1.5 | P=0.113 P=0.596N P=0.581N P=0.192 | |POLY 6 | P=0.056 P=0.634 P=0.621 P=0.093 | |LOGISTIC REGRESSION| P=0.075 P=0.622 P=0.588 P=0.248 | |COCH-ARM / FISHERS | P=0.159 P=0.556N P=0.524N P=0.273 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 45 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Pancreatic | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/31 (3%) 0/44 (0%) 2/38 (5%) 2/32 (6%) | |POLY-3 ADJUSTED (b)| 4.1% 0.0% 7.8% 10.9% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 1/8 (13%) 0/4 (0%) | |FIRST INCIDENCE | 674 --- 630 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.103 P=0.562N P=0.388 P=0.346 | |POLY 3 | P=0.147 P=0.453N P=0.515 P=0.396 | |POLY 1.5 | P=0.173 P=0.442N P=0.541 P=0.445 | |POLY 6 | P=0.118 P=0.469N P=0.481 P=0.332 | |LOGISTIC REGRESSION| P=0.210 P=0.452N P=0.505 P=0.593 | |COCH-ARM / FISHERS | P=0.213 P=0.413N P=0.577 P=0.512 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Pancreatic | | Hyperplasia Lymphoid | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/31 (6%) 1/44 (2%) 0/38 (0%) 4/32 (13%) | |POLY-3 ADJUSTED (b)| 8.2% 3.2% 0.0% 20.4% | |TERMINAL (d) | 2/13 (15%) 1/12 (8%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | 722 (T) 722 (T) --- 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.050 P=0.529N P=0.348N P=0.137 | |POLY 3 | P=0.109 P=0.415N P=0.225N P=0.233 | |POLY 1.5 | P=0.117 P=0.398N P=0.209N P=0.280 | |POLY 6 | P=0.098 P=0.440N P=0.249N P=0.177 | |LOGISTIC REGRESSION| P=0.157 P=0.529N (e) P=0.438 | |COCH-ARM / FISHERS | P=0.132 P=0.370N P=0.198N P=0.351 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 46 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Ectasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 15/31 (48%) 20/44 (45%) 16/38 (42%) 10/32 (31%) | |POLY-3 ADJUSTED (b)| 53.0% 52.9% 52.8% 44.5% | |TERMINAL (d) | 4/13 (31%) 1/12 (8%) 4/8 (50%) 1/4 (25%) | |FIRST INCIDENCE | 468 352 354 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.297 P=0.101 P=0.151 P=0.335 | |POLY 3 | P=0.314N P=0.596N P=0.600N P=0.371N | |POLY 1.5 | P=0.193N P=0.551N P=0.498N P=0.248N | |POLY 6 | P=0.531N P=0.567 P=0.484 P=0.567N | |LOGISTIC REGRESSION| P=0.064N P=0.450N P=0.383N P=0.093N | |COCH-ARM / FISHERS | P=0.087N P=0.493N P=0.390N P=0.129N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Fibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 2/44 (5%) 0/38 (0%) 0/32 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 6.3% 0.0% 0.0% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | --- 610 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.579N P=0.186 (e) (e) | |POLY 3 | P=0.488N P=0.293 (e) (e) | |POLY 1.5 | P=0.455N P=0.304 (e) (e) | |POLY 6 | P=0.563N P=0.279 (e) (e) | |LOGISTIC REGRESSION| P=0.475N P=0.305 (e) (e) | |COCH-ARM / FISHERS | P=0.415N P=0.341 (e) (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 47 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 10/31 (32%) 17/44 (39%) 19/38 (50%) 12/32 (38%) | |POLY-3 ADJUSTED (b)| 36.1% 46.0% 60.4% 54.8% | |TERMINAL (d) | 1/13 (8%) 1/12 (8%) 3/8 (38%) 2/4 (50%) | |FIRST INCIDENCE | 468 352 354 464 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.022 * P=0.046 * P=0.009 ** P=0.032 * | |POLY 3 | P=0.066 P=0.288 P=0.045 * P=0.145 | |POLY 1.5 | P=0.153 P=0.324 P=0.067 P=0.247 | |POLY 6 | P=0.018 * P=0.253 P=0.028 * P=0.063 | |LOGISTIC REGRESSION| P=0.387 P=0.442 P=0.134 P=0.435 | |COCH-ARM / FISHERS | P=0.367 P=0.375 P=0.107 P=0.432 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 1/44 (2%) 6/38 (16%) 2/32 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 3.2% 22.6% 11.3% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 3/8 (38%) 1/4 (25%) | |FIRST INCIDENCE | --- 595 515 468 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.023 * P=0.473 P=0.005 ** P=0.112 | |POLY 3 | P=0.032 * P=0.551 P=0.015 * P=0.170 | |POLY 1.5 | P=0.061 P=0.559 P=0.019 * P=0.200 | |POLY 6 | P=0.012 * P=0.539 P=0.011 * P=0.136 | |LOGISTIC REGRESSION| P=0.075 P=0.589 P=0.018 * P=0.245 | |COCH-ARM / FISHERS | P=0.129 P=0.587 P=0.023 * P=0.254 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 48 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Hyperplasia Lymphoid | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 0/44 (0%) 1/38 (3%) 2/32 (6%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 3.9% 11.1% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 0/8 (0%) 0/4 (0%) | |FIRST INCIDENCE | --- --- 588 553 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.028 * (e) P=0.452 P=0.136 | |POLY 3 | P=0.034 * (e) P=0.511 P=0.173 | |POLY 1.5 | P=0.040 * (e) P=0.524 P=0.201 | |POLY 6 | P=0.027 * (e) P=0.494 P=0.142 | |LOGISTIC REGRESSION| P=0.073 (e) P=0.569 P=0.287 | |COCH-ARM / FISHERS | P=0.053 (e) P=0.551 P=0.254 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Lymph Node: Renal | | Pigmentation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/31 (0%) 0/44 (0%) 3/38 (8%) 0/32 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 11.7% 0.0% | |TERMINAL (d) | 0/13 (0%) 0/12 (0%) 2/8 (25%) 0/4 (0%) | |FIRST INCIDENCE | --- --- 632 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.277 (e) P=0.059 (e) | |POLY 3 | P=0.293 (e) P=0.122 (e) | |POLY 1.5 | P=0.392 (e) P=0.137 (e) | |POLY 6 | P=0.186 (e) P=0.105 (e) | |LOGISTIC REGRESSION| P=0.340 (e) P=0.101 (e) | |COCH-ARM / FISHERS | P=0.522 (e) P=0.161 (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 49 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mammary Gland | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/48 (0%) 2/46 (4%) 0/44 (0%) 1/46 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 6.0% 0.0% 3.8% | |TERMINAL (d) | 0/21 (0%) 0/14 (0%) 0/10 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 506 --- 660 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.389 P=0.208 (e) P=0.342 | |POLY 3 | P=0.406 P=0.207 (e) P=0.428 | |POLY 1.5 | P=0.460 P=0.215 (e) P=0.456 | |POLY 6 | P=0.334 P=0.197 (e) P=0.390 | |LOGISTIC REGRESSION| P=0.563 P=0.269 (e) P=0.418 | |COCH-ARM / FISHERS | P=0.529 P=0.237 (e) P=0.489 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mammary Gland | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/48 (8%) 0/46 (0%) 2/44 (5%) 4/46 (9%) | |POLY-3 ADJUSTED (b)| 10.2% 0.0% 6.7% 14.1% | |TERMINAL (d) | 1/21 (5%) 0/14 (0%) 1/10 (10%) 0/7 (0%) | |FIRST INCIDENCE | 536 --- 494 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.145 P=0.107N P=0.555N P=0.307 | |POLY 3 | P=0.282 P=0.088N P=0.469N P=0.456 | |POLY 1.5 | P=0.316 P=0.078N P=0.430N P=0.533 | |POLY 6 | P=0.238 P=0.103N P=0.517N P=0.354 | |LOGISTIC REGRESSION| P=0.528 P=0.059N P=0.341N P=0.437N | |COCH-ARM / FISHERS | P=0.354 P=0.064N P=0.381N P=0.619 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 50 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mammary Gland: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/48 (6%) 5/46 (11%) 0/44 (0%) 0/46 (0%) | |POLY-3 ADJUSTED (b)| 7.6% 14.5% 0.0% 0.0% | |TERMINAL (d) | 0/21 (0%) 0/14 (0%) 0/10 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 479 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.079N P=0.271 P=0.186N P=0.293N | |POLY 3 | P=0.061N P=0.287 P=0.178N P=0.207N | |POLY 1.5 | P=0.042N* P=0.305 P=0.158N P=0.167N | |POLY 6 | P=0.102N P=0.267 P=0.205N P=0.274N | |LOGISTIC REGRESSION| P=0.016N* P=0.417 P=0.113N P=0.108N | |COCH-ARM / FISHERS | P=0.029N* P=0.333 P=0.138N P=0.129N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mammary Gland: Duct | | Dilatation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/48 (13%) 7/46 (15%) 5/44 (11%) 4/46 (9%) | |POLY-3 ADJUSTED (b)| 15.1% 20.7% 16.4% 14.6% | |TERMINAL (d) | 2/21 (10%) 3/14 (21%) 0/10 (0%) 1/7 (14%) | |FIRST INCIDENCE | 468 486 520 562 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.360 P=0.295 P=0.489 P=0.423 | |POLY 3 | P=0.495N P=0.375 P=0.573 P=0.610N | |POLY 1.5 | P=0.392N P=0.414 P=0.622 P=0.518N | |POLY 6 | P=0.455 P=0.328 P=0.519 P=0.533 | |LOGISTIC REGRESSION| P=0.392N P=0.447 P=0.595N P=0.482N | |COCH-ARM / FISHERS | P=0.270N P=0.467 P=0.562N P=0.398N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 51 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mesentery: Artery | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/7 (71%) 1/1 (100%) 0/2 (0%) 1/2 (50%) | |POLY-3 ADJUSTED (b)| 72.3% 100.0% 0.0% 60.0% | |TERMINAL (d) | 0/1 (0%) 0/0 (0%) 0/1 (0%) 0/0 (0%) | |FIRST INCIDENCE | 468 573 --- 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.167N P=0.200N P=0.098N P=0.384N | |POLY 3 | P=0.307N P=0.720 P=0.157N P=0.710N | |POLY 1.5 | P=0.287N P=0.714 P=0.148N P=0.659N | |POLY 6 | P=0.342N P=0.732 P=0.176N P=0.786N | |LOGISTIC REGRESSION| P=0.049N* (e) P=0.228N P=0.342N | |COCH-ARM / FISHERS | P=0.268N P=0.750 P=0.167N P=0.583N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mesentery: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/7 (29%) 0/1 (0%) 0/2 (0%) 0/2 (0%) | |POLY-3 ADJUSTED (b)| 35.2% 0.0% 0.0% 0.0% | |TERMINAL (d) | 0/1 (0%) 0/0 (0%) 0/1 (0%) 0/0 (0%) | |FIRST INCIDENCE | 701 --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.233N P=0.341N P=0.402N P=0.516N | |POLY 3 | P=0.278N P=0.785N P=0.507N P=0.658N | |POLY 1.5 | P=0.252N P=0.750N P=0.520N P=0.606N | |POLY 6 | P=0.323N P=0.834N P=0.496N P=0.724N | |LOGISTIC REGRESSION| P=0.442N (e) P=0.474N (e) | |COCH-ARM / FISHERS | P=0.273N P=0.750N P=0.583N P=0.583N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 52 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Mesentery: Vein | | Thrombosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/7 (0%) 0/1 (0%) 2/2 (100%) 0/2 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 100.0% 0.0% | |TERMINAL (d) | 0/1 (0%) 0/0 (0%) 1/1 (100%) 0/0 (0%) | |FIRST INCIDENCE | --- --- 683 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.311 (e) P=0.196 (e) | |POLY 3 | P<0.001 ** (e) P<0.001 ** (e) | |POLY 1.5 | P<0.001 ** (e) P<0.001 ** (e) | |POLY 6 | P<0.001 ** (e) P<0.001 ** (e) | |LOGISTIC REGRESSION| P=0.097 (e) P=0.033 * (e) | |COCH-ARM / FISHERS | P=0.333 (e) P=0.028 * (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Foreign Body | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 11/50 (22%) 4/50 (8%) 6/50 (12%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 26.1% 11.0% 15.7% 3.5% | |TERMINAL (d) | 4/22 (18%) 2/14 (14%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 592 336 354 467 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.049N* P=0.156N P=0.363N P=0.086N | |POLY 3 | P=0.012N* P=0.077N P=0.191N P=0.014N* | |POLY 1.5 | P=0.007N** P=0.060N P=0.166N P=0.006N** | |POLY 6 | P=0.028N* P=0.106N P=0.233N P=0.045N* | |LOGISTIC REGRESSION| P<0.001N** P=0.053N P=0.056N P=0.007N** | |COCH-ARM / FISHERS | P=0.004N** P=0.045N* P=0.143N P=0.002N** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 53 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 0/50 (0%) 1/50 (2%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 7.5% 0.0% 2.9% 0.0% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 717 --- 487 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.207N P=0.216N P=0.508N P=0.384N | |POLY 3 | P=0.096N P=0.143N P=0.361N P=0.195N | |POLY 1.5 | P=0.090N P=0.133N P=0.337N P=0.157N | |POLY 6 | P=0.109N P=0.157N P=0.391N P=0.258N | |LOGISTIC REGRESSION| P=0.116N P=0.191N P=0.342N P=0.370N | |COCH-ARM / FISHERS | P=0.086N P=0.121N P=0.309N P=0.121N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 7/50 (14%) 7/50 (14%) 4/50 (8%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 16.7% 18.6% 11.1% 6.8% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 589 352 473 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.208N P=0.433 P=0.421N P=0.364N | |POLY 3 | P=0.112N P=0.529 P=0.350N P=0.196N | |POLY 1.5 | P=0.072N P=0.565 P=0.310N P=0.134N | |POLY 6 | P=0.199N P=0.481 P=0.408N P=0.310N | |LOGISTIC REGRESSION| P=0.014N* P=0.549N P=0.164N P=0.056N | |COCH-ARM / FISHERS | P=0.040N* P=0.613N P=0.262N P=0.080N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 54 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 11/50 (22%) 7/50 (14%) 7/50 (14%) 7/50 (14%) | |POLY-3 ADJUSTED (b)| 26.5% 18.6% 19.4% 22.9% | |TERMINAL (d) | 8/22 (36%) 3/14 (21%) 2/11 (18%) 2/7 (29%) | |FIRST INCIDENCE | 468 336 354 464 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.286 P=0.490N P=0.581 P=0.291 | |POLY 3 | P=0.405N P=0.285N P=0.317N P=0.469N | |POLY 1.5 | P=0.317N P=0.254N P=0.270N P=0.349N | |POLY 6 | P=0.533N P=0.328N P=0.383N P=0.582 | |LOGISTIC REGRESSION| P=0.234N P=0.217N P=0.242N P=0.433N | |COCH-ARM / FISHERS | P=0.217N P=0.218N P=0.218N P=0.218N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Metaplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 1/50 (2%) 1/50 (2%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 2.8% 3.0% 6.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 639 721 467 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.052 P=0.462 P=0.379 P=0.137 | |POLY 3 | P=0.094 P=0.475 P=0.466 P=0.173 | |POLY 1.5 | P=0.117 P=0.485 P=0.480 P=0.199 | |POLY 6 | P=0.068 P=0.464 P=0.448 P=0.142 | |LOGISTIC REGRESSION| P=0.133 P=0.503 P=0.383 P=0.285 | |COCH-ARM / FISHERS | P=0.153 P=0.500 P=0.500 P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 55 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose | | Ulcer | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/50 (0%) 2/50 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 5.7% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 479 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.561 (e) P=0.221 (e) | |POLY 3 | P=0.409 (e) P=0.208 (e) | |POLY 1.5 | P=0.495 (e) P=0.220 (e) | |POLY 6 | P=0.300 (e) P=0.195 (e) | |LOGISTIC REGRESSION| P=0.631N (e) P=0.318 (e) | |COCH-ARM / FISHERS | P=0.595 (e) P=0.247 (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Nose: Respiratory Epithelium | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 20/50 (40%) 9/50 (18%) 12/50 (24%) 15/50 (30%) | |POLY-3 ADJUSTED (b)| 46.4% 24.0% 32.1% 43.0% | |TERMINAL (d) | 11/22 (50%) 2/14 (14%) 2/11 (18%) 2/7 (29%) | |FIRST INCIDENCE | 557 336 486 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.054 P=0.138N P=0.492N P=0.084 | |POLY 3 | P=0.515N P=0.027N* P=0.134N P=0.469N | |POLY 1.5 | P=0.427N P=0.019N* P=0.099N P=0.333N | |POLY 6 | P=0.453 P=0.041N* P=0.184N P=0.546 | |LOGISTIC REGRESSION| P=0.419N P=0.023N* P=0.120N P=0.269N | |COCH-ARM / FISHERS | P=0.335N P=0.013N* P=0.066N P=0.201N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 56 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Oral Mucosa | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/5 (60%) 0/1 (0%) 0/1 (0%) 0/0 (0%) | |POLY-3 ADJUSTED (b)| 66.0% 0.0% 0.0% 0.0% | |TERMINAL (d) | 1/2 (50%) 0/1 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 654 --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.185N P=0.236N P=0.378N P=0.525N | |POLY 3 | P=1.000 P=0.463N P=0.499N P=1.000N | |POLY 1.5 | P=1.000 P=0.480N P=0.497N P=1.000N | |POLY 6 | P=1.000 P=0.437N P=0.513N P=1.000N | |LOGISTIC REGRESSION| P=0.353N P=0.448N P=0.459N (e) | |COCH-ARM / FISHERS | P=0.382N P=0.500N P=0.500N P=1.000 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pancreas | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/46 (4%) 3/50 (6%) 3/50 (6%) 1/49 (2%) | |POLY-3 ADJUSTED (b)| 5.3% 8.5% 8.7% 3.6% | |TERMINAL (d) | 1/22 (5%) 2/14 (14%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 468 638 630 595 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.495 P=0.360 P=0.338 P=0.709N | |POLY 3 | P=0.491N P=0.471 P=0.457 P=0.599N | |POLY 1.5 | P=0.415N P=0.498 P=0.491 P=0.547N | |POLY 6 | P=0.537 P=0.438 P=0.417 P=0.668N | |LOGISTIC REGRESSION| P=0.428N P=0.518 P=0.535 P=0.421N | |COCH-ARM / FISHERS | P=0.324N P=0.540 P=0.540 P=0.476N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 57 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pancreas | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 18/46 (39%) 18/50 (36%) 8/50 (16%) 8/49 (16%) | |POLY-3 ADJUSTED (b)| 46.2% 45.4% 22.7% 26.7% | |TERMINAL (d) | 12/22 (55%) 8/14 (57%) 5/11 (46%) 2/7 (29%) | |FIRST INCIDENCE | 572 352 501 483 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.452N P=0.158 P=0.298N P=0.467 | |POLY 3 | P=0.017N* P=0.565N P=0.025N* P=0.073N | |POLY 1.5 | P=0.007N** P=0.517N P=0.015N* P=0.032N* | |POLY 6 | P=0.053N P=0.566 P=0.046N* P=0.192N | |LOGISTIC REGRESSION| P=0.023N* P=0.585 P=0.039N* P=0.169N | |COCH-ARM / FISHERS | P=0.003N** P=0.458N P=0.010N* P=0.012N* | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pancreas: Artery | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/46 (7%) 5/50 (10%) 3/50 (6%) 0/49 (0%) | |POLY-3 ADJUSTED (b)| 8.0% 13.7% 8.7% 0.0% | |TERMINAL (d) | 2/22 (9%) 2/14 (14%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 639 506 630 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.277N P=0.209 P=0.466 P=0.353N | |POLY 3 | P=0.139N P=0.342 P=0.628 P=0.181N | |POLY 1.5 | P=0.094N P=0.367 P=0.659 P=0.144N | |POLY 6 | P=0.237N P=0.314 P=0.589 P=0.245N | |LOGISTIC REGRESSION| P=0.094N P=0.370 P=0.619 P=0.246N | |COCH-ARM / FISHERS | P=0.056N P=0.405 P=0.621N P=0.110N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 58 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pancreas: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/46 (4%) 6/50 (12%) 1/50 (2%) 0/49 (0%) | |POLY-3 ADJUSTED (b)| 5.3% 16.3% 2.9% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 576 561 675 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.227N P=0.076 P=0.643N P=0.446N | |POLY 3 | P=0.122N P=0.123 P=0.535N P=0.310N | |POLY 1.5 | P=0.083N P=0.137 P=0.507N P=0.269N | |POLY 6 | P=0.206N P=0.109 P=0.570N P=0.375N | |LOGISTIC REGRESSION| P=0.068N P=0.161 P=0.500N P=0.257N | |COCH-ARM / FISHERS | P=0.053N P=0.163 P=0.468N P=0.232N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Parathyroid Gland | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 16/48 (33%) 32/47 (68%) 29/48 (60%) 12/47 (26%) | |POLY-3 ADJUSTED (b)| 38.0% 75.7% 67.1% 36.6% | |TERMINAL (d) | 5/22 (23%) 7/13 (54%) 2/11 (18%) 0/7 (0%) | |FIRST INCIDENCE | 536 372 354 483 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.159 P<0.001 ** P<0.001 ** P=0.184 | |POLY 3 | P=0.376N P<0.001 ** P=0.004 ** P=0.547N | |POLY 1.5 | P=0.186N P<0.001 ** P=0.004 ** P=0.425N | |POLY 6 | P=0.419 P<0.001 ** P=0.005 ** P=0.492 | |LOGISTIC REGRESSION| P=0.044N* P<0.001 ** P=0.013 * P=0.222N | |COCH-ARM / FISHERS | P=0.057N P<0.001 ** P=0.007 ** P=0.272N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 59 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Peripheral Nerve | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/1 (0%) 2/4 (50%) 2/2 (100%) 0/5 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 63.0% 100.0% 0.0% | |TERMINAL (d) | 0/1 (0%) 0/0 (0%) 0/0 (0%) 0/1 (0%) | |FIRST INCIDENCE | --- 541 501 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.585 P=0.200 P=0.158 (e) | |POLY 3 | P=0.367N P=0.520 P=1.000N (e) | |POLY 1.5 | P=0.197N P=0.548 P=1.000N (e) | |POLY 6 | P=0.744 P=0.474 P=1.000N (e) | |LOGISTIC REGRESSION| P=0.159N P=0.797 (e) (e) | |COCH-ARM / FISHERS | P=0.169N P=0.600 P=0.333 (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Peripheral Nerve | | Radicular Neuropathy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/1 (0%) 4/4 (100%) 1/2 (50%) 2/5 (40%) | |POLY-3 ADJUSTED (b)| 0.0% 100.0% 75.0% 54.6% | |TERMINAL (d) | 0/1 (0%) 0/0 (0%) 0/0 (0%) 0/1 (0%) | |FIRST INCIDENCE | --- 506 721 582 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.166 P=0.042 * P=0.379 P=0.099 | |POLY 3 | P=0.532N P=1.000N P=0.568 P=0.567 | |POLY 1.5 | P=0.400N P=1.000N P=0.591 P=0.598 | |POLY 6 | P=0.699N P=1.000N P=0.530 P=0.527 | |LOGISTIC REGRESSION| P=0.334N (e) P=0.497 P=0.687 | |COCH-ARM / FISHERS | P=0.300N P=0.200 P=0.667 P=0.667 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 60 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pituitary Gland | | Congestion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 0/49 (0%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 0.0% 7.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | --- --- --- 682 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.009 ** (e) (e) P=0.065 | |POLY 3 | P=0.037 * (e) (e) P=0.172 | |POLY 1.5 | P=0.040 * (e) (e) P=0.200 | |POLY 6 | P=0.036 * (e) (e) P=0.139 | |LOGISTIC REGRESSION| P=0.011 * (e) (e) P=0.078 | |COCH-ARM / FISHERS | P=0.048 * (e) (e) P=0.253 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pituitary Gland | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 17/49 (35%) 13/49 (27%) 18/50 (36%) 11/50 (22%) | |POLY-3 ADJUSTED (b)| 40.3% 33.9% 44.8% 34.8% | |TERMINAL (d) | 8/22 (36%) 5/14 (36%) 3/11 (27%) 2/7 (29%) | |FIRST INCIDENCE | 536 336 354 467 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.129 P=0.533 P=0.109 P=0.172 | |POLY 3 | P=0.465N P=0.355N P=0.424 P=0.403N | |POLY 1.5 | P=0.308N P=0.307N P=0.470 P=0.253N | |POLY 6 | P=0.389 P=0.427N P=0.374 P=0.570 | |LOGISTIC REGRESSION| P=0.208N P=0.272N P=0.525 P=0.405N | |COCH-ARM / FISHERS | P=0.147N P=0.256N P=0.530 P=0.119N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 61 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pituitary Gland | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 13/49 (27%) 10/49 (20%) 7/50 (14%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 31.2% 28.0% 19.9% 10.4% | |TERMINAL (d) | 6/22 (27%) 6/14 (43%) 4/11 (36%) 1/7 (14%) | |FIRST INCIDENCE | 589 536 479 489 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.207N P=0.520 P=0.458N P=0.261N | |POLY 3 | P=0.020N* P=0.476N P=0.190N P=0.039N* | |POLY 1.5 | P=0.008N** P=0.406N P=0.142N P=0.016N* | |POLY 6 | P=0.067N P=0.567N P=0.271N P=0.117N | |LOGISTIC REGRESSION| P=0.024N* P=0.455N P=0.162N P=0.037N* | |COCH-ARM / FISHERS | P=0.003N** P=0.317N P=0.096N P=0.005N** | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Pituitary Gland: Pars Distalis | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/49 (4%) 1/49 (2%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 5.1% 2.8% 0.0% 0.0% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 372 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.185N P=0.606N P=0.400N P=0.512N | |POLY 3 | P=0.109N P=0.540N P=0.273N P=0.319N | |POLY 1.5 | P=0.104N P=0.523N P=0.255N P=0.279N | |POLY 6 | P=0.122N P=0.562N P=0.296N P=0.382N | |LOGISTIC REGRESSION| P=0.080N P=0.451N (e) (e) | |COCH-ARM / FISHERS | P=0.098N P=0.500N P=0.242N P=0.242N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 62 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Preputial Gland | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 12/50 (24%) 9/48 (19%) 10/50 (20%) 3/50 (6%) | |POLY-3 ADJUSTED (b)| 27.9% 24.6% 27.0% 10.3% | |TERMINAL (d) | 6/22 (27%) 1/13 (8%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 468 479 473 580 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.265N P=0.579 P=0.378 P=0.260N | |POLY 3 | P=0.080N P=0.467N P=0.565N P=0.067N | |POLY 1.5 | P=0.036N* P=0.420N P=0.497N P=0.032N* | |POLY 6 | P=0.200N P=0.518N P=0.564 P=0.160N | |LOGISTIC REGRESSION| P=0.013N* P=0.295N P=0.379N P=0.022N* | |COCH-ARM / FISHERS | P=0.012N* P=0.350N P=0.405N P=0.011N* | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Preputial Gland | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 2/48 (4%) 4/50 (8%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 7.5% 5.9% 11.3% 3.5% | |TERMINAL (d) | 2/22 (9%) 0/13 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 707 470 354 511 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.588 P=0.653N P=0.269 P=0.646N | |POLY 3 | P=0.440N P=0.576N P=0.432 P=0.432N | |POLY 1.5 | P=0.369N P=0.553N P=0.462 P=0.374N | |POLY 6 | P=0.549N P=0.604N P=0.396 P=0.516N | |LOGISTIC REGRESSION| P=0.255N P=0.567N P=0.522 P=0.457N | |COCH-ARM / FISHERS | P=0.287N P=0.520N P=0.500 P=0.309N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 63 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Preputial Gland: Duct | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 49/50 (98%) 43/48 (90%) 46/50 (92%) 48/50 (96%) | |POLY-3 ADJUSTED (b)| 98.4% 91.4% 93.2% 98.7% | |TERMINAL (d) | 22/22 (100%) 12/13 (92%) 8/11 (73%) 7/7 (100%) | |FIRST INCIDENCE | 283 336 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.164 P=0.037 * P<0.001 ** | |POLY 3 | P=0.389 P=0.115N P=0.207N P=0.786 | |POLY 1.5 | P=0.401 P=0.103N P=0.197N P=0.784 | |POLY 6 | P=0.396 P=0.141N P=0.210N P=0.823 | |LOGISTIC REGRESSION| P=0.570 P=0.066N P=0.130N P=0.736 | |COCH-ARM / FISHERS | P=0.572 P=0.093N P=0.181N P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Prostate | | Fibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 0/49 (0%) 2/50 (4%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 5.8% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 354 631 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.130 (e) P=0.177 P=0.344 | |POLY 3 | P=0.145 (e) P=0.205 P=0.433 | |POLY 1.5 | P=0.187 (e) P=0.219 P=0.462 | |POLY 6 | P=0.102 (e) P=0.189 P=0.394 | |LOGISTIC REGRESSION| P=0.312 (e) P=0.311 P=0.480 | |COCH-ARM / FISHERS | P=0.247 (e) P=0.247 P=0.500 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 64 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Prostate | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 4/50 (8%) 4/49 (8%) 1/50 (2%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 10.0% 11.7% 3.0% 7.1% | |TERMINAL (d) | 4/22 (18%) 3/14 (21%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 722 (T) 710 722 (T) 658 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.525 P=0.391 P=0.433N P=0.513 | |POLY 3 | P=0.278N P=0.555 P=0.233N P=0.505N | |POLY 1.5 | P=0.234N P=0.587 P=0.209N P=0.429N | |POLY 6 | P=0.348N P=0.516 P=0.266N P=0.610N | |LOGISTIC REGRESSION| P=0.591 P=0.415 P=0.433N P=0.570 | |COCH-ARM / FISHERS | P=0.184N P=0.631 P=0.181N P=0.339N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Prostate | | Inflammation Acute | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 1/49 (2%) 0/50 (0%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 7.4% 2.9% 0.0% 0.0% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 486 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.101N P=0.418N P=0.235N P=0.325N | |POLY 3 | P=0.048N* P=0.361N P=0.154N P=0.198N | |POLY 1.5 | P=0.045N* P=0.341N P=0.138N P=0.159N | |POLY 6 | P=0.056N P=0.386N P=0.177N P=0.264N | |LOGISTIC REGRESSION| P=0.038N* P=0.280N P=0.141N P=0.187N | |COCH-ARM / FISHERS | P=0.044N* P=0.316N P=0.121N P=0.121N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 65 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Prostate | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/50 (16%) 9/49 (18%) 7/50 (14%) 4/50 (8%) | |POLY-3 ADJUSTED (b)| 19.3% 24.1% 20.1% 13.3% | |TERMINAL (d) | 3/22 (14%) 0/14 (0%) 3/11 (27%) 0/7 (0%) | |FIRST INCIDENCE | 468 352 561 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.500 P=0.278 P=0.345 P=0.591 | |POLY 3 | P=0.284N P=0.401 P=0.580 P=0.365N | |POLY 1.5 | P=0.191N P=0.433 P=0.586N P=0.274N | |POLY 6 | P=0.442N P=0.372 P=0.509 P=0.503N | |LOGISTIC REGRESSION| P=0.150N P=0.498 P=0.584 P=0.212N | |COCH-ARM / FISHERS | P=0.105N P=0.482 P=0.500N P=0.178N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Salivary Glands: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/48 (4%) 3/49 (6%) 0/47 (0%) 0/48 (0%) | |POLY-3 ADJUSTED (b)| 5.1% 8.6% 0.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 601 639 --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.196N P=0.384 P=0.314N P=0.457N | |POLY 3 | P=0.111N P=0.450 P=0.279N P=0.326N | |POLY 1.5 | P=0.093N P=0.474 P=0.263N P=0.284N | |POLY 6 | P=0.147N P=0.423 P=0.300N P=0.388N | |LOGISTIC REGRESSION| P=0.101N P=0.477 P=0.244N P=0.276N | |COCH-ARM / FISHERS | P=0.074N P=0.510 P=0.253N P=0.247N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 66 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Skin | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 2/50 (4%) 1/50 (2%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 2.5% 5.5% 2.9% 0.0% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 506 674 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.429N P=0.422 P=0.646 P=0.727N | |POLY 3 | P=0.345N P=0.463 P=0.723 P=0.569N | |POLY 1.5 | P=0.300N P=0.478 P=0.739 P=0.539N | |POLY 6 | P=0.423N P=0.447 P=0.702 P=0.610N | |LOGISTIC REGRESSION| P=0.262N P=0.529 P=0.695 (e) | |COCH-ARM / FISHERS | P=0.247N P=0.500 P=0.753N P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Skin | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 2/50 (4%) 1/50 (2%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 5.7% 2.9% 7.1% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | --- 710 548 687 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.058 P=0.162 P=0.447 P=0.049 * | |POLY 3 | P=0.144 P=0.208 P=0.469 P=0.169 | |POLY 1.5 | P=0.184 P=0.220 P=0.482 P=0.196 | |POLY 6 | P=0.103 P=0.195 P=0.454 P=0.136 | |LOGISTIC REGRESSION| P=0.116 P=0.166 P=0.562 P=0.072 | |COCH-ARM / FISHERS | P=0.245 P=0.247 P=0.500 P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 67 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Skin | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 2/50 (4%) 0/50 (0%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 2.5% 5.7% 0.0% 3.6% | |TERMINAL (d) | 1/22 (5%) 1/14 (7%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | 722 (T) 710 --- 722 (T) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.460 P=0.362 P=0.638N P=0.488 | |POLY 3 | P=0.565N P=0.454 P=0.534N P=0.676 | |POLY 1.5 | P=0.537N P=0.473 P=0.520N P=0.715 | |POLY 6 | P=0.596 P=0.431 P=0.552N P=0.615 | |LOGISTIC REGRESSION| P=0.485 P=0.377 (e) P=0.488 | |COCH-ARM / FISHERS | P=0.500N P=0.500 P=0.500N P=0.753N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Skin | | Ulcer | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/50 (2%) 1/50 (2%) 0/50 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 2.5% 2.8% 0.0% 6.9% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 552 --- 468 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.212 P=0.688 P=0.638N P=0.276 | |POLY 3 | P=0.303 P=0.734 P=0.534N P=0.391 | |POLY 1.5 | P=0.330 P=0.745 P=0.520N P=0.438 | |POLY 6 | P=0.270 P=0.722 P=0.552N P=0.330 | |LOGISTIC REGRESSION| P=0.415 P=0.761N (e) P=0.531 | |COCH-ARM / FISHERS | P=0.366 P=0.753N P=0.500N P=0.500 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 68 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Spleen | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/49 (4%) 1/50 (2%) 1/49 (2%) 1/49 (2%) | |POLY-3 ADJUSTED (b)| 5.0% 2.8% 3.0% 3.6% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 541 628 660 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.597N P=0.559N P=0.574N P=0.723N | |POLY 3 | P=0.479N P=0.541N P=0.563N P=0.622N | |POLY 1.5 | P=0.449N P=0.521N P=0.536N P=0.569N | |POLY 6 | P=0.525N P=0.565N P=0.594N P=0.689N | |LOGISTIC REGRESSION| P=0.360N P=0.406N P=0.436N P=0.467N | |COCH-ARM / FISHERS | P=0.411N P=0.492N P=0.500N P=0.500N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Spleen | | Hematopoietic Cell Proliferation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/49 (2%) 2/50 (4%) 0/49 (0%) 2/49 (4%) | |POLY-3 ADJUSTED (b)| 2.5% 5.6% 0.0% 7.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 572 552 --- 539 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.291 P=0.427 P=0.556N P=0.305 | |POLY 3 | P=0.369 P=0.464 P=0.536N P=0.387 | |POLY 1.5 | P=0.411 P=0.481 P=0.520N P=0.436 | |POLY 6 | P=0.315 P=0.444 P=0.554N P=0.325 | |LOGISTIC REGRESSION| P=0.503 P=0.557 P=0.450N P=0.558 | |COCH-ARM / FISHERS | P=0.467 P=0.508 P=0.500N P=0.500 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 69 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 0/50 (0%) 1/50 (2%) 2/49 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 2.9% 7.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 683 580 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.021 * (e) P=0.430 P=0.119 | |POLY 3 | P=0.043 * (e) P=0.467 P=0.171 | |POLY 1.5 | P=0.053 (e) P=0.482 P=0.196 | |POLY 6 | P=0.034 * (e) P=0.450 P=0.142 | |LOGISTIC REGRESSION| P=0.059 (e) P=0.455 P=0.269 | |COCH-ARM / FISHERS | P=0.069 (e) P=0.505 P=0.247 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Foreign Body | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 0/50 (0%) 1/50 (2%) 2/49 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 2.9% 6.9% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 479 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.062 (e) P=0.492 P=0.216 | |POLY 3 | P=0.045 * (e) P=0.470 P=0.174 | |POLY 1.5 | P=0.054 (e) P=0.484 P=0.199 | |POLY 6 | P=0.035 * (e) P=0.454 P=0.145 | |LOGISTIC REGRESSION| P=0.181 (e) P=0.822 P=0.470 | |COCH-ARM / FISHERS | P=0.069 (e) P=0.505 P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 70 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/49 (4%) 13/50 (26%) 11/50 (22%) 10/49 (20%) | |POLY-3 ADJUSTED (b)| 4.9% 33.2% 28.8% 31.1% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 2/11 (18%) 0/7 (0%) | |FIRST INCIDENCE | 468 372 354 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.004 ** P<0.001 ** P=0.003 ** P<0.001 ** | |POLY 3 | P=0.011 * P<0.001 ** P=0.004 ** P=0.003 ** | |POLY 1.5 | P=0.026 * P<0.001 ** P=0.005 ** P=0.005 ** | |POLY 6 | P=0.003 ** P<0.001 ** P=0.002 ** P<0.001 ** | |LOGISTIC REGRESSION| P=0.177 P=0.006 ** P=0.040 * P=0.040 * | |COCH-ARM / FISHERS | P=0.083 P=0.002 ** P=0.008 ** P=0.014 * | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 0/50 (0%) 1/50 (2%) 2/49 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 2.9% 7.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 630 468 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.029 * (e) P=0.462 P=0.157 | |POLY 3 | P=0.044 * (e) P=0.468 P=0.172 | |POLY 1.5 | P=0.053 (e) P=0.482 P=0.197 | |POLY 6 | P=0.034 * (e) P=0.452 P=0.143 | |LOGISTIC REGRESSION| P=0.093 (e) P=0.522 P=0.344 | |COCH-ARM / FISHERS | P=0.069 (e) P=0.505 P=0.247 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 71 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/49 (6%) 5/50 (10%) 3/50 (6%) 1/49 (2%) | |POLY-3 ADJUSTED (b)| 7.3% 13.5% 8.6% 3.5% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 576 479 500 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.397N P=0.255 P=0.528 P=0.543N | |POLY 3 | P=0.317N P=0.300 P=0.586 P=0.445N | |POLY 1.5 | P=0.240N P=0.324 P=0.621 P=0.383N | |POLY 6 | P=0.444N P=0.274 P=0.544 P=0.532N | |LOGISTIC REGRESSION| P=0.100N P=0.475 P=0.591N P=0.186N | |COCH-ARM / FISHERS | P=0.157N P=0.369 P=0.651N P=0.309N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Forestomach | | Ulcer | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/49 (4%) 4/50 (8%) 3/50 (6%) 4/49 (8%) | |POLY-3 ADJUSTED (b)| 4.9% 10.8% 8.6% 13.4% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 644 372 404 466 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.128 P=0.255 P=0.399 P=0.132 | |POLY 3 | P=0.180 P=0.296 P=0.434 P=0.207 | |POLY 1.5 | P=0.237 P=0.315 P=0.464 P=0.258 | |POLY 6 | P=0.119 P=0.273 P=0.397 P=0.151 | |LOGISTIC REGRESSION| P=0.538 P=0.548 P=0.638 P=0.471 | |COCH-ARM / FISHERS | P=0.328 P=0.349 P=0.510 P=0.339 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 72 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Glandular | | Erosion | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/49 (6%) 3/50 (6%) 2/48 (4%) 4/48 (8%) | |POLY-3 ADJUSTED (b)| 7.4% 8.5% 6.1% 13.8% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 634 447 539 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.124 P=0.515 P=0.644N P=0.179 | |POLY 3 | P=0.272 P=0.600 P=0.593N P=0.323 | |POLY 1.5 | P=0.328 P=0.630 P=0.557N P=0.392 | |POLY 6 | P=0.204 P=0.561 P=0.636N P=0.241 | |LOGISTIC REGRESSION| P=0.387 P=0.662 P=0.426N P=0.535 | |COCH-ARM / FISHERS | P=0.404 P=0.651N P=0.510N P=0.488 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Glandular | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 0/50 (0%) 2/48 (4%) 0/48 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 6.1% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- --- 645 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.418 (e) P=0.171 (e) | |POLY 3 | P=0.418 (e) P=0.197 (e) | |POLY 1.5 | P=0.496 (e) P=0.211 (e) | |POLY 6 | P=0.310 (e) P=0.181 (e) | |LOGISTIC REGRESSION| P=0.499 (e) P=0.189 (e) | |COCH-ARM / FISHERS | P=0.589 (e) P=0.242 (e) | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 73 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Stomach, Glandular | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/49 (16%) 25/50 (50%) 16/48 (33%) 6/48 (13%) | |POLY-3 ADJUSTED (b)| 19.1% 56.0% 40.0% 19.9% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 557 352 354 463 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.475 P<0.001 ** P=0.018 * P=0.319 | |POLY 3 | P=0.416N P<0.001 ** P=0.029 * P=0.583 | |POLY 1.5 | P=0.217N P<0.001 ** P=0.034 * P=0.542N | |POLY 6 | P=0.348 P<0.001 ** P=0.025 * P=0.432 | |LOGISTIC REGRESSION| P=0.015N* P<0.001 ** P=0.144 P=0.314N | |COCH-ARM / FISHERS | P=0.075N P<0.001 ** P=0.044 * P=0.403N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Testes | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 20/50 (40%) 20/49 (41%) 18/49 (37%) 9/50 (18%) | |POLY-3 ADJUSTED (b)| 44.9% 49.3% 45.7% 28.9% | |TERMINAL (d) | 7/22 (32%) 4/14 (29%) 2/11 (18%) 2/7 (29%) | |FIRST INCIDENCE | 468 445 486 499 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.527N P=0.223 P=0.243 P=0.560 | |POLY 3 | P=0.104N P=0.424 P=0.563 P=0.118N | |POLY 1.5 | P=0.036N* P=0.472 P=0.548N P=0.048N* | |POLY 6 | P=0.296N P=0.376 P=0.500 P=0.299N | |LOGISTIC REGRESSION| P=0.011N* P=0.568 P=0.423N P=0.047N* | |COCH-ARM / FISHERS | P=0.007N** P=0.548 P=0.449N P=0.013N* | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 74 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Testes | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 6/50 (12%) 2/49 (4%) 9/49 (18%) 4/50 (8%) | |POLY-3 ADJUSTED (b)| 14.5% 5.7% 24.6% 13.7% | |TERMINAL (d) | 3/22 (14%) 0/14 (0%) 0/11 (0%) 1/7 (14%) | |FIRST INCIDENCE | 557 541 494 550 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.189 P=0.250N P=0.114 P=0.361 | |POLY 3 | P=0.349 P=0.186N P=0.200 P=0.593N | |POLY 1.5 | P=0.464 P=0.166N P=0.228 P=0.495N | |POLY 6 | P=0.215 P=0.212N P=0.175 P=0.539 | |LOGISTIC REGRESSION| P=0.511N P=0.126N P=0.314 P=0.553N | |COCH-ARM / FISHERS | P=0.512N P=0.141N P=0.274 P=0.370N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Testes: Artery | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 24/50 (48%) 24/49 (49%) 14/49 (29%) 11/50 (22%) | |POLY-3 ADJUSTED (b)| 53.3% 61.6% 39.6% 34.4% | |TERMINAL (d) | 9/22 (41%) 9/14 (64%) 4/11 (36%) 2/7 (29%) | |FIRST INCIDENCE | 468 506 575 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.533N P=0.151 P=0.452N P=0.513 | |POLY 3 | P=0.022N* P=0.283 P=0.153N P=0.074N | |POLY 1.5 | P=0.005N** P=0.380 P=0.085N P=0.025N* | |POLY 6 | P=0.110N P=0.201 P=0.272N P=0.233N | |LOGISTIC REGRESSION| P=0.021N* P=0.379 P=0.095N P=0.029N* | |COCH-ARM / FISHERS | P<0.001N** P=0.541 P=0.037N* P=0.006N** | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 75 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Testes: Artery | | Mineralization | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/50 (0%) 3/49 (6%) 2/49 (4%) 0/50 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 8.4% 5.8% 0.0% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 506 486 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.560N P=0.094 P=0.212 (e) | |POLY 3 | P=0.592N P=0.098 P=0.203 (e) | |POLY 1.5 | P=0.510N P=0.104 P=0.215 (e) | |POLY 6 | P=0.460 P=0.091 P=0.190 (e) | |LOGISTIC REGRESSION| P=0.300N P=0.152 P=0.303 (e) | |COCH-ARM / FISHERS | P=0.408N P=0.117 P=0.242 (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Testes: Interstitial Cell | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/50 (6%) 4/49 (8%) 7/49 (14%) 7/50 (14%) | |POLY-3 ADJUSTED (b)| 7.4% 11.6% 20.5% 22.0% | |TERMINAL (d) | 2/22 (9%) 2/14 (14%) 3/11 (27%) 1/7 (14%) | |FIRST INCIDENCE | 676 651 548 467 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.003 ** P=0.300 P=0.029 * P=0.023 * | |POLY 3 | P=0.037 * P=0.415 P=0.093 P=0.075 | |POLY 1.5 | P=0.059 P=0.445 P=0.115 P=0.105 | |POLY 6 | P=0.018 * P=0.381 P=0.073 P=0.045 * | |LOGISTIC REGRESSION| P=0.043 * P=0.347 P=0.067 P=0.207 | |COCH-ARM / FISHERS | P=0.101 P=0.489 P=0.151 P=0.159 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 76 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thymus | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 15/48 (31%) 29/49 (59%) 28/49 (57%) 24/50 (48%) | |POLY-3 ADJUSTED (b)| 34.9% 64.1% 62.5% 60.4% | |TERMINAL (d) | 1/22 (5%) 2/14 (14%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 557 352 354 443 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.003 ** P=0.002 ** P<0.001 ** | |POLY 3 | P=0.028 * P=0.004 ** P=0.006 ** P=0.013 * | |POLY 1.5 | P=0.062 P=0.004 ** P=0.007 ** P=0.027 * | |POLY 6 | P=0.009 ** P=0.004 ** P=0.005 ** P=0.005 ** | |LOGISTIC REGRESSION| P=0.506 P=0.015 * P=0.047 * P=0.181 | |COCH-ARM / FISHERS | P=0.167 P=0.005 ** P=0.009 ** P=0.068 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thymus | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 5/48 (10%) 6/49 (12%) 4/49 (8%) 6/50 (12%) | |POLY-3 ADJUSTED (b)| 12.6% 16.3% 11.7% 19.7% | |TERMINAL (d) | 2/22 (9%) 1/14 (7%) 1/11 (9%) 1/7 (14%) | |FIRST INCIDENCE | 572 479 481 489 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.111 P=0.330 P=0.516 P=0.089 | |POLY 3 | P=0.302 P=0.446 P=0.594N P=0.315 | |POLY 1.5 | P=0.390 P=0.473 P=0.548N P=0.405 | |POLY 6 | P=0.198 P=0.417 P=0.625 P=0.210 | |LOGISTIC REGRESSION| P=0.533 P=0.561 P=0.488N P=0.438 | |COCH-ARM / FISHERS | P=0.511 P=0.515 P=0.487N P=0.529 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 77 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thymus | | Ectopic Parathyroid Gland | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 3/48 (6%) 5/49 (10%) 1/49 (2%) 1/50 (2%) | |POLY-3 ADJUSTED (b)| 7.7% 13.8% 3.0% 3.5% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 717 479 700 486 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.353N P=0.225 P=0.540N P=0.643N | |POLY 3 | P=0.193N P=0.314 P=0.367N P=0.419N | |POLY 1.5 | P=0.149N P=0.334 P=0.336N P=0.360N | |POLY 6 | P=0.273N P=0.296 P=0.407N P=0.506N | |LOGISTIC REGRESSION| P=0.134N P=0.344 P=0.488N P=0.424N | |COCH-ARM / FISHERS | P=0.106N P=0.369 P=0.301N P=0.293N | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thymus | | Hemorrhage | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 8/48 (17%) 6/49 (12%) 8/49 (16%) 14/50 (28%) | |POLY-3 ADJUSTED (b)| 19.1% 17.0% 21.5% 38.1% | |TERMINAL (d) | 1/22 (5%) 2/14 (14%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | 283 593 404 94 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.003 ** P=0.584N P=0.419 P=0.015 * | |POLY 3 | P=0.021 * P=0.524N P=0.506 P=0.048 * | |POLY 1.5 | P=0.031 * P=0.462N P=0.555 P=0.078 | |POLY 6 | P=0.011 * P=0.597N P=0.444 P=0.024 * | |LOGISTIC REGRESSION| P=0.237 P=0.321N P=0.259N P=0.464N | |COCH-ARM / FISHERS | P=0.049 * P=0.371N P=0.590N P=0.135 | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 78 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thymus | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/48 (0%) 0/49 (0%) 0/49 (0%) 2/50 (4%) | |POLY-3 ADJUSTED (b)| 0.0% 0.0% 0.0% 7.1% | |TERMINAL (d) | 0/22 (0%) 0/14 (0%) 0/11 (0%) 2/7 (29%) | |FIRST INCIDENCE | --- --- --- 722 (T) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.006 ** (e) (e) P=0.043 * | |POLY 3 | P=0.037 * (e) (e) P=0.173 | |POLY 1.5 | P=0.041 * (e) (e) P=0.203 | |POLY 6 | P=0.037 * (e) (e) P=0.138 | |LOGISTIC REGRESSION| (e) (e) (e) P=0.043 * | |COCH-ARM / FISHERS | P=0.049 * (e) (e) P=0.258 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thyroid Gland: Follicle | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 2/49 (4%) 4/50 (8%) 5/48 (10%) 1/49 (2%) | |POLY-3 ADJUSTED (b)| 5.1% 11.0% 15.2% 3.6% | |TERMINAL (d) | 2/22 (9%) 0/14 (0%) 3/11 (27%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 506 700 658 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.350 P=0.214 P=0.044 * P=0.658 | |POLY 3 | P=0.551 P=0.301 P=0.148 P=0.617N | |POLY 1.5 | P=0.477N P=0.318 P=0.172 P=0.566N | |POLY 6 | P=0.384 P=0.283 P=0.124 P=0.681N | |LOGISTIC REGRESSION| P=0.547 P=0.311 P=0.071 P=0.718 | |COCH-ARM / FISHERS | P=0.348N P=0.349 P=0.209 P=0.500N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 79 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Thyroid Gland: Follicular Cell | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 0/49 (0%) 2/50 (4%) 1/48 (2%) 0/49 (0%) | |POLY-3 ADJUSTED (b)| 0.0% 5.6% 3.0% 0.0% | |TERMINAL (d) | 0/22 (0%) 1/14 (7%) 0/11 (0%) 0/7 (0%) | |FIRST INCIDENCE | --- 593 628 --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.664N P=0.178 P=0.469 (e) | |POLY 3 | P=0.590N P=0.215 P=0.467 (e) | |POLY 1.5 | P=0.535N P=0.226 P=0.479 (e) | |POLY 6 | P=0.553 P=0.204 P=0.453 (e) | |LOGISTIC REGRESSION| P=0.518N P=0.226 P=0.506 (e) | |COCH-ARM / FISHERS | P=0.463N P=0.253 P=0.495 (e) | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Tooth: Peridontal Tissue | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/2 (50%) 1/2 (50%) 4/4 (100%) 1/3 (33%) | |POLY-3 ADJUSTED (b)| 50.0% 50.0% 100.0% 37.7% | |TERMINAL (d) | 1/2 (50%) 1/2 (50%) 1/1 (100%) 0/1 (0%) | |FIRST INCIDENCE | 722 (T) 722 (T) 354 709 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.188 P=0.807 P=0.052 P=0.561 | |POLY 3 | P=0.598N P=0.760 P=0.342 P=0.707N | |POLY 1.5 | P=0.553N P=0.760 P=0.342 P=0.690N | |POLY 6 | P=0.652 P=0.760 P=0.342 P=0.733N | |LOGISTIC REGRESSION| P=0.447N P=0.807 (e) P=0.851 | |COCH-ARM / FISHERS | P=0.500N P=0.833N P=0.333 P=0.700N | |=================================================================================================================================| Date: 09/29/97 EXPERIMENT: 55301 TEST: 06 Page 80 Statistical Analysis of Non-neoplastic Lesions in Rats(WISTAR OUTBRED) - PYRIDINE Terminal Sacrifice at 103 weeks |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Tooth: Peridontal Tissue | | Inflammation Chronic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/2 (50%) 0/2 (0%) 0/4 (0%) 2/3 (67%) | |POLY-3 ADJUSTED (b)| 50.0% 0.0% 0.0% 67.9% | |TERMINAL (d) | 1/2 (50%) 0/2 (0%) 0/1 (0%) 1/1 (100%) | |FIRST INCIDENCE | 722 (T) --- --- 627 | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.087 P=0.500N P=0.638N P=0.216 | |POLY 3 | P=0.298 P=0.500N P=0.429N P=0.666 | |POLY 1.5 | P=0.300 P=0.500N P=0.396N P=0.668 | |POLY 6 | P=0.293 P=0.500N P=0.466N P=0.662 | |LOGISTIC REGRESSION| P=0.292 (e) (e) P=0.851N | |COCH-ARM / FISHERS | P=0.316 P=0.500N P=0.333N P=0.700 | |=================================================================================================================================| | | | | | | Males | |Dose | 0 PPM 100 PPM | 200 PPM 400 PPM | | | | | |=================================================================================================================================| | | |Urinary Bladder: Transitional Epithelium | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |TUMOR RATES | | |----------- | | |OVERALL (a) | 1/47 (2%) 3/49 (6%) 1/47 (2%) 0/44 (0%) | |POLY-3 ADJUSTED (b)| 2.6% 8.5% 3.2% 0.0% | |TERMINAL (d) | 1/22 (5%) 0/14 (0%) 1/11 (9%) 0/7 (0%) | |FIRST INCIDENCE | 722 (T) 352 722 (T) --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.438N P=0.206 P=0.600 P=0.727N | |POLY 3 | P=0.337N P=0.271 P=0.714 P=0.584N | |POLY 1.5 | P=0.281N P=0.290 P=0.733 P=0.555N | |POLY 6 | P=0.425N P=0.249 P=0.690 P=0.621N | |LOGISTIC REGRESSION| P=0.251N P=0.358 P=0.600 (e) | |COCH-ARM / FISHERS | P=0.216N P=0.324 P=0.753N P=0.516N | |=================================================================================================================================| (a) Number of tumor-bearing animals / number of animals examined at site. (b) Poly-3 adjusted lifetime tumor incidence. (d) Observed incidence at terminal kill. (f) Beneath the control incidence are the P-values associated with the trend test. Beneath the dosed group incidence are the P-values corresponding to pairwise comparisons between the controls and that dosed group. The life table analysis regards tumors in animals dying prior to terminal kill as being (directly or indirectly) the cause of death. Logistic regression is an alternative method for analyzing the incidence of non-fatal tumors. The Cochran-Armitage and Fishers exact tests compare directly the overall incidence rates For all tests a negative trend is indicated by N (e) Value of Statistic cannot be computed. (I) Interim sacrifice (T) Terminal sacrifice # Tumor rates based on number of animals necropsied. * To the right of any statistical result, indicates significance at (P<=0.05). ** To the right of any statistical result, indicates significance at (P<=0.01).