TDMS Study 96007-04 Pathology Tables
NTP STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS REPORT: PEIRPT10 LAB: Battelle Columbus TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) DATE: 04/22/03 EXPERIMENT: 96007 TEST: 04 TIME: 10:46:55 TEST TYPE: CHRONIC CAGES FROM 0000 TO LAST CAGE PAGE: 1 CONT: NO1-ES-75411 ROUTE: GAVAGE NTP C#: 96007B PATHOLOGIST: SELLS, DONALD CAS: TEFDIOXINMIX ------------------------------------------------------------------------------------------------------------------------------------ 53 WEEK SSAC/FINAL#1 REASONS FOR REMOVAL: 25017 Scheduled Sacrifice REMOVAL DATE RANGE: 061699 061999 TREATMENT GROUPS: INCLUDE 001 TERT.MIXCONTROL INCLUDE 002 TERT.MIXTEQ=10 INCLUDE 003 TERT.MIXTEQ=22 INCLUDE 004 TERT.MIXTEQ=46 INCLUDE 005 TERT.MIXTEQ=100 NTP STATISTICAL ANALYSIS OF NON-NEOPLASTIC LESIONS REPORT: PEIRPT10 LAB: Battelle Columbus TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) DATE: 04/22/03 EXPERIMENT: 96007 TEST: 04 TIME: 10:46:55 TEST TYPE: CHRONIC CAGES FROM 0000 TO LAST CAGE CONT: NO1-ES-75411 ROUTE: GAVAGE NTP C#: 96007B PATHOLOGIST: SELLS, DONALD CAS: TEFDIOXINMIX SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS IN THE ANALYSIS OF TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX =============================================================== Female Rats ------------ Organ Morphology ----- ---------- Adrenal Cortex Degeneration Cystic Hypertrophy Liver Fatty Change Diffuse Fatty Change Focal Mixed Cell Focus Pigmentation Toxic Hepatopathy Liver: Bile Duct Hyperplasia Liver: Hepatocyte Hypertrophy Multinucleated Lung: Alveolar Epithelium Metaplasia Bronchiolar Mammary Gland Cyst Pancreas: Acinus Vacuolization Cytoplasmic Thymus Atrophy Uterus: Endometrium Hyperplasia Cystic =============================================================== Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 1 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Adrenal Cortex | | Degeneration Cystic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 1/8 (13%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |POLY-3 RATE (b) | 1/1.34 0/0.39 0/0.39 0/0.39 2/2.30 | |POLY-3 PERCENT (g) | 74.4% 0.0% 0.0% 0.0% 87.1% | |INT SACRIFICE 1 (c)| 1/8 (12.5%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) --- --- --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.136 P=0.500N P=0.500N P=0.500N P=0.500 | |POLY 3 | P=0.066 P=0.173N P=0.173N P=0.173N P=0.314 | |POLY 1.5 | P=0.081 P=0.228N P=0.228N P=0.228N P=0.348 | |POLY 6 | P=0.067 P=0.159N P=0.159N P=0.159N P=0.304 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.133 P=0.500N P=0.500N P=0.500N P=0.500 | |ORDER RESTRICTED | P=0.048 * (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Adrenal Cortex | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 2/8 (25%) 1/8 (13%) 2/8 (25%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 2/2.30 1/1.34 2/2.30 | |POLY-3 PERCENT (g) | 0.0% 0.0% 87.1% 74.4% 87.1% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 2/8 (25%) 1/8 (12.5%) 2/8 (25%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.130 (e) P=0.232 P=0.500 P=0.232 | |POLY 3 | P=0.081 (e) P=0.069 P=0.173 P=0.069 | |POLY 1.5 | P=0.090 (e) P=0.093 P=0.228 P=0.093 | |POLY 6 | P=0.079 (e) P=0.064 P=0.159 P=0.064 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.127 (e) P=0.233 P=0.500 P=0.233 | |ORDER RESTRICTED | P=0.182 (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 2 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Adrenal Cortex | | Hypertrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 3/8 (38%) 7/8 (88%) 5/8 (63%) 3/8 (38%) 5/8 (63%) | |POLY-3 RATE (b) | 3/3.25 7/7.05 5/5.15 3/3.25 5/5.15 | |POLY-3 PERCENT (g) | 92.4% 99.3% 97.1% 92.4% 97.1% | |INT SACRIFICE 1 (c)| 3/8 (37.5%) 7/8 (87.5%) 5/8 (62.5%) 3/8 (37.5%) 5/8 (62.5%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.592N P=0.067 P=0.314 P=0.691 P=0.314 | |POLY 3 | P=0.565N P=0.024 * P=0.231 P=0.578 P=0.231 | |POLY 1.5 | P=0.570N P=0.028 * P=0.247 P=0.598 P=0.247 | |POLY 6 | P=0.563N P=0.023 * P=0.227 P=0.573 P=0.227 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.593N P=0.059 P=0.310 P=0.696N P=0.310 | |ORDER RESTRICTED | P=0.216 (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Cholangiofibrosis | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) 1/8 (13%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 2/2.30 1/1.34 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 87.1% 74.4% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) 1/8 (12.5%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.167 (e) (e) P=0.232 P=0.500 | |POLY 3 | P=0.087 (e) (e) P=0.069 P=0.173 | |POLY 1.5 | P=0.097 (e) (e) P=0.093 P=0.228 | |POLY 6 | P=0.084 (e) (e) P=0.064 P=0.159 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.164 (e) (e) P=0.233 P=0.500 | |ORDER RESTRICTED | P=0.257 (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 3 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Fatty Change Diffuse | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 0/0.39 2/2.30 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 0.0% 87.1% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.020 * (e) (e) (e) P=0.232 | |POLY 3 | P=0.003 ** (e) (e) (e) P=0.069 | |POLY 1.5 | P=0.006 ** (e) (e) (e) P=0.093 | |POLY 6 | P=0.003 ** (e) (e) (e) P=0.064 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.019 * (e) (e) (e) P=0.233 | |ORDER RESTRICTED | P=0.216 (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Fatty Change Focal | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 3/8 (38%) 4/8 (50%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 3/3.25 4/4.20 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 92.4% 95.3% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 3/8 (37.5%) 4/8 (50%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) (e) P=0.107 P=0.047 * | |POLY 3 | P<0.001 ** (e) (e) P=0.022 * P=0.005 ** | |POLY 1.5 | P<0.001 ** (e) (e) P=0.031 * P=0.007 ** | |POLY 6 | P<0.001 ** (e) (e) P=0.020 * P=0.004 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** (e) (e) P=0.100 P=0.038 * | |ORDER RESTRICTED | P=0.060 (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 4 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Inflammation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 8/8 (100%) 8/8 (100%) 8/8 (100%) 8/8 (100%) 8/8 (100%) | |POLY-3 RATE (b) | 8/8.00 8/8.00 8/8.00 8/8.00 8/8.00 | |POLY-3 PERCENT (g) | 100.0% 100.0% 100.0% 100.0% 100.0% | |INT SACRIFICE 1 (c)| 8/8 (100%) 8/8 (100%) 8/8 (100%) 8/8 (100%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | (e) (e) (e) (e) (e) | |POLY 3 | (e) (e) (e) (e) (e) | |POLY 1.5 | (e) (e) (e) (e) (e) | |POLY 6 | (e) (e) (e) (e) (e) | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | (e) (e) (e) (e) (e) | |ORDER RESTRICTED | (e) (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Mixed Cell Focus | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 3/8 (38%) 4/8 (50%) 7/8 (88%) 6/8 (75%) 7/8 (88%) | |POLY-3 RATE (b) | 3/3.25 4/4.20 7/7.05 6/6.10 7/7.05 | |POLY-3 PERCENT (g) | 92.4% 95.3% 99.3% 98.4% 99.3% | |INT SACRIFICE 1 (c)| 3/8 (37.5%) 4/8 (50%) 7/8 (87.5%) 6/8 (75%) 7/8 (87.5%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.045 * P=0.500 P=0.067 P=0.165 P=0.067 | |POLY 3 | P=0.035 * P=0.398 P=0.024 * P=0.100 P=0.024 * | |POLY 1.5 | P=0.035 * P=0.416 P=0.028 * P=0.111 P=0.028 * | |POLY 6 | P=0.035 * P=0.393 P=0.023 * P=0.098 P=0.023 * | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.043 * P=0.500 P=0.059 P=0.157 P=0.059 | |ORDER RESTRICTED | P=0.017 * (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 5 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Pigmentation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 4/8 (50%) 8/8 (100%) 8/8 (100%) 8/8 (100%) | |POLY-3 RATE (b) | 0/0.39 4/4.20 8/8.00 8/8.00 8/8.00 | |POLY-3 PERCENT (g) | 0.0% 95.3% 100.0% 100.0% 100.0% | |INT SACRIFICE 1 (c)| 0/8 (0%) 4/8 (50%) 8/8 (100%) 8/8 (100%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.047 * P<0.001 ** P<0.001 ** P<0.001 ** | |POLY 3 | P<0.001 ** P=0.005 ** P<0.001N** P<0.001N** P<0.001N** | |POLY 1.5 | P<0.001 ** P=0.007 ** P<0.001N** P<0.001N** P<0.001N** | |POLY 6 | P<0.001 ** P=0.004 ** P<0.001N** P<0.001N** P<0.001N** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** P=0.038 * P<0.001 ** P<0.001 ** P<0.001 ** | |ORDER RESTRICTED | P<0.001 ** (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver | | Toxic Hepatopathy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 3/8 (38%) 8/8 (100%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 3/3.25 8/8.00 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 92.4% 100.0% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 3/8 (37.5%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) (e) P=0.107 P<0.001 ** | |POLY 3 | P<0.001 ** (e) (e) P=0.022 * P<0.001 ** | |POLY 1.5 | P<0.001 ** (e) (e) P=0.031 * P<0.001 ** | |POLY 6 | P<0.001 ** (e) (e) P=0.020 * P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** (e) (e) P=0.100 P<0.001 ** | |ORDER RESTRICTED | P<0.001 ** (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 6 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver: Bile Duct | | Hyperplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 6/8 (75%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 0/0.39 6/6.10 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 0.0% 98.4% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 6/8 (75%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) (e) (e) P=0.006 ** | |POLY 3 | P<0.001 ** (e) (e) (e) P<0.001 ** | |POLY 1.5 | P<0.001 ** (e) (e) (e) P<0.001 ** | |POLY 6 | P<0.001 ** (e) (e) (e) P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** (e) (e) (e) P=0.003 ** | |ORDER RESTRICTED | P=0.007 ** (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver: Hepatocyte | | Hypertrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 5/8 (63%) 7/8 (88%) 8/8 (100%) 8/8 (100%) | |POLY-3 RATE (b) | 0/0.39 5/5.15 7/7.05 8/8.00 8/8.00 | |POLY-3 PERCENT (g) | 0.0% 97.1% 99.3% 100.0% 100.0% | |INT SACRIFICE 1 (c)| 0/8 (0%) 5/8 (62.5%) 7/8 (87.5%) 8/8 (100%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.018 * P=0.002 ** P<0.001 ** P<0.001 ** | |POLY 3 | P<0.001 ** 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 ** P<0.001 ** | |POLY 6 | P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** P=0.013 * P<0.001 ** P<0.001 ** P<0.001 ** | |ORDER RESTRICTED | P<0.001 ** (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 7 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Liver: Hepatocyte | | Multinucleated | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 3/8 (38%) 0/8 (0%) 8/8 (100%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 3/3.25 0/0.39 8/8.00 | |POLY-3 PERCENT (g) | 0.0% 0.0% 92.4% 0.0% 100.0% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 3/8 (37.5%) 0/8 (0%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- 366 (I) --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) P=0.107 (e) P<0.001 ** | |POLY 3 | P<0.001 ** (e) P=0.022 * (e) P<0.001 ** | |POLY 1.5 | P<0.001 ** (e) P=0.031 * (e) P<0.001 ** | |POLY 6 | P<0.001 ** (e) P=0.020 * (e) P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** (e) P=0.100 (e) P<0.001 ** | |ORDER RESTRICTED | P<0.001 ** (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Lung | | Infiltration Cellular Histiocyte | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 6/8 (75%) 5/8 (63%) 5/8 (63%) 4/8 (50%) 6/8 (75%) | |POLY-3 RATE (b) | 6/6.10 5/5.15 5/5.15 4/4.20 6/6.10 | |POLY-3 PERCENT (g) | 98.4% 97.1% 97.1% 95.3% 98.4% | |INT SACRIFICE 1 (c)| 6/8 (75%) 5/8 (62.5%) 5/8 (62.5%) 4/8 (50%) 6/8 (75%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.531 P=0.500N P=0.500N P=0.309N P=0.712 | |POLY 3 | P=0.512 P=0.439N P=0.439N P=0.243N P=0.661 | |POLY 1.5 | P=0.515 P=0.450N P=0.450N P=0.255N P=0.669 | |POLY 6 | P=0.511 P=0.437N P=0.437N P=0.240N P=0.660 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.532 P=0.500N P=0.500N P=0.304N P=0.715N | |ORDER RESTRICTED | P=0.523 (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 8 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Lung: Alveolar Epithelium | | Metaplasia Bronchiolar | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 1/8 (13%) 2/8 (25%) 4/8 (50%) 6/8 (75%) | |POLY-3 RATE (b) | 0/0.39 1/1.34 2/2.30 4/4.20 6/6.10 | |POLY-3 PERCENT (g) | 0.0% 74.4% 87.1% 95.3% 98.4% | |INT SACRIFICE 1 (c)| 0/8 (0%) 1/8 (12.5%) 2/8 (25%) 4/8 (50%) 6/8 (75%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** P=0.500 P=0.232 P=0.047 * P=0.006 ** | |POLY 3 | P<0.001 ** P=0.173 P=0.069 P=0.005 ** P<0.001 ** | |POLY 1.5 | P<0.001 ** P=0.228 P=0.093 P=0.007 ** P<0.001 ** | |POLY 6 | P<0.001 ** P=0.159 P=0.064 P=0.004 ** P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** P=0.500 P=0.233 P=0.038 * P=0.003 ** | |ORDER RESTRICTED | P=0.011 * (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Mammary Gland | | Cyst | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 3/8 (38%) 0/1 (0%) 0/1 (0%) 0/1 (0%) 0/8 (0%) | |POLY-3 RATE (b) | 3/3.25 0/0.05 0/0.05 0/0.05 0/0.39 | |POLY-3 PERCENT (g) | 92.4% 0.0% 0.0% 0.0% 0.0% | |INT SACRIFICE 1 (c)| 3/8 (37.5%) 0/1 (0%) 0/1 (0%) 0/1 (0%) 0/8 (0%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) --- --- --- --- | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.073N P=0.638N P=0.638N P=0.638N P=0.107N | |POLY 3 | P=0.034N* P=0.264N P=0.264N P=0.264N P=0.022N* | |POLY 1.5 | P=0.039N* P=0.327N P=0.327N P=0.327N P=0.031N* | |POLY 6 | P=0.032N* P=0.248N P=0.248N P=0.248N P=0.020N* | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.068N P=0.667N P=0.667N P=0.667N P=0.100N | |ORDER RESTRICTED | P=0.019N* (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 9 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Ovary | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 8/8 (100%) 8/8 (100%) 8/8 (100%) 6/8 (75%) 8/8 (100%) | |POLY-3 RATE (b) | 8/8.00 8/8.00 8/8.00 6/6.10 8/8.00 | |POLY-3 PERCENT (g) | 100.0% 100.0% 100.0% 98.4% 100.0% | |INT SACRIFICE 1 (c)| 8/8 (100%) 8/8 (100%) 8/8 (100%) 6/8 (75%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.550N (e) (e) P=0.232N (e) | |POLY 3 | P=0.567N (e) (e) P=0.191N (e) | |POLY 1.5 | P=0.564N (e) (e) P=0.197N (e) | |POLY 6 | P=0.570N (e) (e) P=0.191N (e) | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.551N (e) (e) P=0.233N (e) | |ORDER RESTRICTED | P=0.155N (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Pancreas: Acinus | | Vacuolization Cytoplasmic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) 7/8 (88%) | |POLY-3 RATE (b) | 0/0.39 0/0.39 0/0.39 2/2.30 7/7.05 | |POLY-3 PERCENT (g) | 0.0% 0.0% 0.0% 87.1% 99.3% | |INT SACRIFICE 1 (c)| 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) 7/8 (87.5%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | --- --- --- 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P<0.001 ** (e) (e) P=0.232 P=0.002 ** | |POLY 3 | P<0.001 ** (e) (e) P=0.069 P<0.001 ** | |POLY 1.5 | P<0.001 ** (e) (e) P=0.093 P<0.001 ** | |POLY 6 | P<0.001 ** (e) (e) P=0.064 P<0.001 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P<0.001 ** (e) (e) P=0.233 P<0.001 ** | |ORDER RESTRICTED | P=0.004 ** (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 10 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Spleen | | Pigmentation | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 8/8 (100%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 8/8 (100%) | |POLY-3 RATE (b) | 8/8.00 0/0.00 0/0.00 0/0.00 8/8.00 | |POLY-3 PERCENT (g) | 100.0% 0.0% 0.0% 0.0% 100.0% | |INT SACRIFICE 1 (c)| 8/8 (100%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 8/8 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) --- --- --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | (e) (e) (e) (e) (e) | |POLY 3 | (e) (e) (e) (e) (e) | |POLY 1.5 | (e) (e) (e) (e) (e) | |POLY 6 | (e) (e) (e) (e) (e) | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | (e) (e) (e) (e) (e) | |ORDER RESTRICTED | (e) (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Thymus | | Atrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 3/8 (38%) 7/8 (88%) 8/8 (100%) 8/8 (100%) 6/6 (100%) | |POLY-3 RATE (b) | 3/3.25 7/7.05 8/8.00 8/8.00 6/6.00 | |POLY-3 PERCENT (g) | 92.4% 99.3% 100.0% 100.0% 100.0% | |INT SACRIFICE 1 (c)| 3/8 (37.5%) 7/8 (87.5%) 8/8 (100%) 8/8 (100%) 6/6 (100%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.020 * P=0.067 P=0.018 * P=0.018 * P=0.037 * | |POLY 3 | P=0.004 ** P=0.024 * P<0.001 ** P<0.001 ** P=0.005 ** | |POLY 1.5 | P=0.004 ** P=0.028 * P<0.001 ** P<0.001 ** P=0.006 ** | |POLY 6 | P=0.004 ** P=0.023 * P<0.001 ** P<0.001 ** P=0.005 ** | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.019 * P=0.059 P=0.013 * P=0.013 * P=0.028 * | |ORDER RESTRICTED | P<0.001 ** (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 11 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Thyroid Gland: Follicular Cell | | Hypertrophy | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 2/8 (25%) 2/8 (25%) 3/8 (38%) 3/8 (38%) 4/8 (50%) | |POLY-3 RATE (b) | 2/2.30 2/2.30 3/3.25 3/3.25 4/4.20 | |POLY-3 PERCENT (g) | 87.1% 87.1% 92.4% 92.4% 95.3% | |INT SACRIFICE 1 (c)| 2/8 (25%) 2/8 (25%) 3/8 (37.5%) 3/8 (37.5%) 4/8 (50%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.183 P=0.712 P=0.500 P=0.500 P=0.309 | |POLY 3 | P=0.161 P=0.562 P=0.366 P=0.366 P=0.204 | |POLY 1.5 | P=0.167 P=0.589 P=0.391 P=0.391 P=0.224 | |POLY 6 | P=0.160 P=0.555 P=0.360 P=0.360 P=0.199 | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.180 P=0.715N P=0.500 P=0.500 P=0.304 | |ORDER RESTRICTED | P=0.316 (e) (e) (e) (e) | |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Uterus | | Metaplasia | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 8/8 (100%) 8/8 (100%) 8/8 (100%) 6/8 (75%) 7/8 (88%) | |POLY-3 RATE (b) | 8/8.00 8/8.00 8/8.00 6/6.10 7/7.05 | |POLY-3 PERCENT (g) | 100.0% 100.0% 100.0% 98.4% 99.3% | |INT SACRIFICE 1 (c)| 8/8 (100%) 8/8 (100%) 8/8 (100%) 6/8 (75%) 7/8 (87.5%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) 366 (I) 366 (I) 366 (I) 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.167N (e) (e) P=0.232N P=0.500N | |POLY 3 | P=0.153N (e) (e) P=0.191N P=0.476N | |POLY 1.5 | P=0.154N (e) (e) P=0.197N P=0.480N | |POLY 6 | P=0.153N (e) (e) P=0.191N P=0.478N | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.164N (e) (e) P=0.233N P=0.500N | |ORDER RESTRICTED | P=0.099N (e) (e) (e) (e) | |=================================================================================================================================| Date: 04/22/03 EXPERIMENT: 96007 TEST: 04 Page 12 Statistical Analysis of Non-neoplastic Lesions in Rats(SPRAGUE-DAWLEY) - TOXIC EQUIVALENCY FACTOR EVALUATION (DIOX Terminal Sacrifice at 143 weeks |=================================================================================================================================| | | | | | Females | |Dose | TERT.MIX TERT.MIX TERT.MIX TERT.MIX TERT.MIX | | | CONTROL TEQ=10 TEQ=22 TEQ=46 TEQ=100 | |=================================================================================================================================| | | |Uterus: Endometrium | | Hyperplasia Cystic | | | | | |---------------------------------------------------------------------------------------------------------------------------------| |LESION RATES | | |----------- | | |OVERALL (a) | 6/8 (75%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |POLY-3 RATE (b) | 6/6.10 0/0.39 0/0.39 0/0.39 2/2.30 | |POLY-3 PERCENT (g) | 98.4% 0.0% 0.0% 0.0% 87.1% | |INT SACRIFICE 1 (c)| 6/8 (75%) 0/8 (0%) 0/8 (0%) 0/8 (0%) 2/8 (25%) | |TERMINAL (d) | 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) 0/0 (0%) | |FIRST INCIDENCE | 366 (I) --- --- --- 366 (I) | |-------------------| | |STATISTICAL TESTS | | |-------------------| | |LIFE TABLE | P=0.264N P=0.006N** P=0.006N** P=0.006N** P=0.073N | |POLY 3 | P=0.133N P<0.001N** P<0.001N** P<0.001N** P=0.024N* | |POLY 1.5 | P=0.140N P<0.001N** P<0.001N** P<0.001N** P=0.029N* | |POLY 6 | P=0.129N P<0.001N** P<0.001N** P<0.001N** P=0.023N* | |LOGISTIC REGRESSION| (e) (e) (e) (e) (e) | |COCH-ARM / FISHERS | P=0.261N P=0.003N** P=0.003N** P=0.003N** P=0.066N | |ORDER RESTRICTED | P<0.001N** (e) (e) (e) (e) | |=================================================================================================================================| (a) Number of tumor-bearing animals / number of animals examined at site. (b) Number of tumor-bearing animals / Poly-3 number (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. (g) Poly-3 adjusted lifetime tumor incidence. (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).