https://ntp.niehs.nih.gov/go/3824

TR 387 Mouse Pathology Tables

NTP                                        STATISTICAL ANALYSIS OF PRIMARY TUMORS                              REPORT: PEIRPT08     
LAB: Microbiological Assoc.                              DL AMPHETAMINE SULFATE                                DATE: 09/04/94       
EXPERIMENT: 05029 TEST: 02                                                                                     TIME: 12:43:13       
TEST TYPE:  CHRONIC                             CAGES FROM 0000 TO LAST CAGE                                   PAGE:       1        
CONT: N01CP9565001          ROUTE: DOSED FEED                                                                  NTP C#: 55710        
PATHOLOGIST: W. HALL                         S. EUSTIS                                                         CAS: 60-13-9         
------------------------------------------------------------------------------------------------------------------------------------
               REASONS FOR REMOVAL:    ALL                                                                                          
               REMOVAL DATE RANGE:     ALL                                                                                          
               TREATMENT GROUPS:       INCLUDE ALL                                                                                  
NTP                                        STATISTICAL ANALYSIS OF PRIMARY TUMORS                              REPORT: PEIRPT08    
LAB: Microbiological Assoc.                              DL AMPHETAMINE SULFATE                                DATE: 09/04/94      
EXPERIMENT: 05029 TEST: 02                                                                                     TIME: 12:43:13      
TEST TYPE:  CHRONIC                             CAGES FROM 0000 TO LAST CAGE                                                       
CONT: N01CP9565001          ROUTE: DOSED FEED                                                                  NTP C#: 55710       
PATHOLOGIST: W. HALL                         S. EUSTIS                                                         CAS: 60-13-9        
                                                    MICE(B6C3F1)
                                              ----------------------------
             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
                                                    Bone Marrow
                                                    Brain
                                                    Epididymis
                                                    Gallbladder
                                                    Heart
                                                    Islets, Pancreatic
                                                    Kidney
                                                    Larynx
                                                    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 PRIMARY TUMORS                              REPORT: PEIRPT08     
LAB: Microbiological Assoc.                              DL AMPHETAMINE SULFATE                                DATE: 09/04/94       
EXPERIMENT: 05029 TEST: 02                                                                                     TIME: 12:43:13       
TEST TYPE:  CHRONIC                             CAGES FROM 0000 TO LAST CAGE                                                        
CONT: N01CP9565001          ROUTE: DOSED FEED                                                                  NTP C#: 55710        
PATHOLOGIST: W. HALL                         S. EUSTIS                                                         CAS: 60-13-9         
                                     SUMMARY OF STATISTICALLY SIGNIFICANT (P<=.05) RESULTS
                                     IN THE ANALYSIS OF THE STUDY OF DL AMPHETAMINE SULFATE
              ====================================================================================================
                                                           MALE MICE
                                                          -------------
                                 ORGAN                               MORPHOLOGY
                                -------                             ------------
                             Liver                         Hepatocellular Adenoma
                                                           Hepatocellular Carcinoma or Hepatocellular Adenoma
                                                           Hepatocellular Carcinoma, Hepatocellular Adenoma, or Hepatoblastoma
                             All Organs                    Benign Tumors
                                                           Malignant and Benign Tumors
              ====================================================================================================
                                                           FEMALE MICE
                                                          -------------
                                 ORGAN                               MORPHOLOGY
                                -------                             ------------
                             Harderian Gland               Adenoma
                             Lung                          Alveolar/Bronchiolar Adenoma
                                                           Alveolar/Bronchiolar Carcinoma or Alveolar/Bronchiolar Adenoma
                             Pituitary Gland: Pars Distalis or Unspecified Site
                                                           Adenoma
                             All Organs                    Benign Tumors
                                                           Malignant Tumors
                                                           Malignant and Benign Tumors
              ====================================================================================================
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   1
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Adrenal Gland: Non-medullary, Non-cortical                                                                                       |
|     Adenoma                                                                                                                     |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       1/49 (2%)       0/49 (0%)      |     0/50 (0%)       0/46 (0%)       0/47 (0%)      |
|ADJUSTED (b)           |      8.3%            2.1%            0.0%          |      0.0%            0.0%            0.0%          |
|TERMINAL (d)           |     4/48 (8%)       1/47 (2%)       0/48 (0%)      |     0/35 (0%)       0/35 (0%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         ---           |      ---             ---             ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.070N        P=0.187N        P=0.064N       |       (e)             (e)             (e)          |
|INCIDENTAL TUMOR       |     P=0.070N        P=0.187N        P=0.064N       |       (e)             (e)             (e)          |
|LOGISTIC REGRESSION    |     P=0.070N        P=0.187N        P=0.064N       |       (e)             (e)             (e)          |
|COCHRAN-ARMITAGE       |     P=0.072N                                       |       (e)                                          |
|FISHER EXACT           |                     P=0.187N        P=0.061N       |                       (e)             (e)          |
|=================================================================================================================================|
|                                                                                                                                 |
|Harderian Gland                                                                                                                  |
|     Adenoma                                                                                                                     |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       2/50 (4%)       0/50 (0%)      |     5/50 (10%)      2/50 (4%)       0/47 (0%)      |
|ADJUSTED (b)           |      8.3%            4.2%            0.0%          |     13.0%            5.6%            0.0%          |
|TERMINAL (d)           |     4/48 (8%)       2/48 (4%)       0/49 (0%)      |     3/35 (9%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         ---           |      632             732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.060N        P=0.337N        P=0.061N       |     P=0.029N*       P=0.212N        P=0.027N*      |
|INCIDENTAL TUMOR       |     P=0.060N        P=0.337N        P=0.061N       |     P=0.047N*       P=0.228N        P=0.063N       |
|LOGISTIC REGRESSION    |     P=0.060N        P=0.337N        P=0.061N       |     P=0.040N*       P=0.215N        P=0.038N*      |
|COCHRAN-ARMITAGE       |     P=0.061N                                       |     P=0.042N*                                      |
|FISHER EXACT           |                     P=0.339N        P=0.059N       |                     P=0.218N        P=0.033N*      |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   2
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Liver                                                                                                                            |
|     Hemangiosarcoma                                                                                                             |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     3/50 (6%)       1/50 (2%)       1/50 (2%)      |     0/50 (0%)       1/50 (2%)       0/47 (0%)      |
|ADJUSTED (b)           |      6.3%            2.1%            2.0%          |      0.0%            2.8%            0.0%          |
|TERMINAL (d)           |     3/48 (6%)       1/48 (2%)       1/49 (2%)      |     0/35 (0%)       1/36 (3%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      ---             732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.330N        P=0.306N        P=0.298N       |     P=0.650N        P=0.506           (e)          |
|INCIDENTAL TUMOR       |     P=0.330N        P=0.306N        P=0.298N       |     P=0.650N        P=0.506           (e)          |
|LOGISTIC REGRESSION    |     P=0.330N        P=0.306N        P=0.298N       |     P=0.650N        P=0.506           (e)          |
|COCHRAN-ARMITAGE       |     P=0.337N                                       |     P=0.691N                                       |
|FISHER EXACT           |                     P=0.309N        P=0.309N       |                     P=0.500           (e)          |
|=================================================================================================================================|
|                                                                                                                                 |
|Liver                                                                                                                            |
|     Hepatocellular Adenoma                                                                                                      |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    10/50 (20%)      7/50 (14%)      1/50 (2%)      |     5/50 (10%)      1/50 (2%)       1/47 (2%)      |
|ADJUSTED (b)           |     20.8%           14.3%            2.0%          |     12.9%            2.6%            2.4%          |
|TERMINAL (d)           |    10/48 (21%)      6/48 (13%)      1/49 (2%)      |     3/35 (9%)       0/36 (0%)       1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         695             729 (T)       |      579             704             732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.005N**      P=0.299N        P=0.005N**     |     P=0.119N        P=0.105N        P=0.083N       |
|INCIDENTAL TUMOR       |     P=0.006N**      P=0.207N        P=0.005N**     |     P=0.218N        P=0.114N        P=0.162N       |
|LOGISTIC REGRESSION    |     P=0.005N**      P=0.287N        P=0.005N**     |     P=0.157N        P=0.103N        P=0.118N       |
|COCHRAN-ARMITAGE       |     P=0.005N**                                     |     P=0.157N                                       |
|FISHER EXACT           |                     P=0.298N        P=0.004N**     |                     P=0.102N        P=0.117N       |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   3
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Liver                                                                                                                            |
|     Hepatocellular Carcinoma                                                                                                    |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       6/50 (12%)      1/50 (2%)      |     0/50 (0%)       0/50 (0%)       0/47 (0%)      |
|ADJUSTED (b)           |      8.3%           12.5%            2.0%          |      0.0%            0.0%            0.0%          |
|TERMINAL (d)           |     4/48 (8%)       6/48 (13%)      1/49 (2%)      |     0/35 (0%)       0/36 (0%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      ---             ---             ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.092N        P=0.370         P=0.174N       |       (e)             (e)             (e)          |
|INCIDENTAL TUMOR       |     P=0.092N        P=0.370         P=0.174N       |       (e)             (e)             (e)          |
|LOGISTIC REGRESSION    |     P=0.092N        P=0.370         P=0.174N       |       (e)             (e)             (e)          |
|COCHRAN-ARMITAGE       |     P=0.096N                                       |       (e)                                          |
|FISHER EXACT           |                     P=0.370         P=0.181N       |                       (e)             (e)          |
|=================================================================================================================================|
|                                                                                                                                 |
|Liver                                                                                                                            |
|     Hepatocellular Carcinoma or Hepatocellular Adenoma                                                                          |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    14/50 (28%)     12/50 (24%)      2/50 (4%)      |     5/50 (10%)      1/50 (2%)       1/47 (2%)      |
|ADJUSTED (b)           |     29.2%           24.5%            4.1%          |     12.9%            2.6%            2.4%          |
|TERMINAL (d)           |    14/48 (29%)     11/48 (23%)      2/49 (4%)      |     3/35 (9%)       0/36 (0%)       1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         695             729 (T)       |      579             704             732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P<0.001N**      P=0.410N        P=0.001N**     |     P=0.119N        P=0.105N        P=0.083N       |
|INCIDENTAL TUMOR       |     P<0.001N**      P=0.322N        P=0.001N**     |     P=0.218N        P=0.114N        P=0.162N       |
|LOGISTIC REGRESSION    |     P<0.001N**      P=0.393N        P=0.001N**     |     P=0.157N        P=0.103N        P=0.118N       |
|COCHRAN-ARMITAGE       |     P<0.001N**                                     |     P=0.157N                                       |
|FISHER EXACT           |                     P=0.410N        P<0.001N**     |                     P=0.102N        P=0.117N       |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   4
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Liver                                                                                                                            |
|     Hepatocellular Carcinoma, Hepatocellular Adenoma, or Hepatoblastoma                                                         |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    14/50 (28%)     12/50 (24%)      2/50 (4%)      |     5/50 (10%)      1/50 (2%)       1/47 (2%)      |
|ADJUSTED (b)           |     29.2%           24.5%            4.1%          |     12.9%            2.6%            2.4%          |
|TERMINAL (d)           |    14/48 (29%)     11/48 (23%)      2/49 (4%)      |     3/35 (9%)       0/36 (0%)       1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         695             729 (T)       |      579             704             732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P<0.001N**      P=0.410N        P=0.001N**     |     P=0.119N        P=0.105N        P=0.083N       |
|INCIDENTAL TUMOR       |     P<0.001N**      P=0.322N        P=0.001N**     |     P=0.218N        P=0.114N        P=0.162N       |
|LOGISTIC REGRESSION    |     P<0.001N**      P=0.393N        P=0.001N**     |     P=0.157N        P=0.103N        P=0.118N       |
|COCHRAN-ARMITAGE       |     P<0.001N**                                     |     P=0.157N                                       |
|FISHER EXACT           |                     P=0.410N        P<0.001N**     |                     P=0.102N        P=0.117N       |
|=================================================================================================================================|
|                                                                                                                                 |
|Lung                                                                                                                             |
|     Alveolar/Bronchiolar Adenoma                                                                                                |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     6/50 (12%)      2/50 (4%)       3/50 (6%)      |     7/50 (14%)      4/50 (8%)       1/47 (2%)      |
|ADJUSTED (b)           |     12.5%            4.2%            6.1%          |     20.0%           11.1%            2.4%          |
|TERMINAL (d)           |     6/48 (13%)      2/48 (4%)       3/49 (6%)      |     7/35 (20%)      4/36 (11%)      1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      732 (T)         732 (T)         732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.321N        P=0.135N        P=0.233N       |     P=0.020N*       P=0.241N        P=0.018N*      |
|INCIDENTAL TUMOR       |     P=0.321N        P=0.135N        P=0.233N       |     P=0.020N*       P=0.241N        P=0.018N*      |
|LOGISTIC REGRESSION    |     P=0.321N        P=0.135N        P=0.233N       |     P=0.020N*       P=0.241N        P=0.018N*      |
|COCHRAN-ARMITAGE       |     P=0.332N                                       |     P=0.042N*                                      |
|FISHER EXACT           |                     P=0.134N        P=0.243N       |                     P=0.262N        P=0.036N*      |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   5
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Lung                                                                                                                             |
|     Alveolar/Bronchiolar Carcinoma                                                                                              |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     3/50 (6%)       1/50 (2%)       1/50 (2%)      |     1/50 (2%)       2/50 (4%)       0/47 (0%)      |
|ADJUSTED (b)           |      6.3%            2.1%            2.0%          |      2.9%            5.6%            0.0%          |
|TERMINAL (d)           |     3/48 (6%)       1/48 (2%)       1/49 (2%)      |     1/35 (3%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      732 (T)         732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.330N        P=0.306N        P=0.298N       |     P=0.258N        P=0.510         P=0.468N       |
|INCIDENTAL TUMOR       |     P=0.330N        P=0.306N        P=0.298N       |     P=0.258N        P=0.510         P=0.468N       |
|LOGISTIC REGRESSION    |     P=0.330N        P=0.306N        P=0.298N       |     P=0.258N        P=0.510         P=0.468N       |
|COCHRAN-ARMITAGE       |     P=0.337N                                       |     P=0.310N                                       |
|FISHER EXACT           |                     P=0.309N        P=0.309N       |                     P=0.500         P=0.515N       |
|=================================================================================================================================|
|                                                                                                                                 |
|Lung                                                                                                                             |
|     Alveolar/Bronchiolar Carcinoma or Alveolar/Bronchiolar Adenoma                                                              |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     8/50 (16%)      3/50 (6%)       4/50 (8%)      |     8/50 (16%)      6/50 (12%)      1/47 (2%)      |
|ADJUSTED (b)           |     16.7%            6.3%            8.2%          |     22.9%           16.7%            2.4%          |
|TERMINAL (d)           |     8/48 (17%)      3/48 (6%)       4/49 (8%)      |     8/35 (23%)      6/36 (17%)      1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      732 (T)         732 (T)         732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.253N        P=0.101N        P=0.169N       |     P=0.008N**      P=0.361N        P=0.009N**     |
|INCIDENTAL TUMOR       |     P=0.253N        P=0.101N        P=0.169N       |     P=0.008N**      P=0.361N        P=0.009N**     |
|LOGISTIC REGRESSION    |     P=0.253N        P=0.101N        P=0.169N       |     P=0.008N**      P=0.361N        P=0.009N**     |
|COCHRAN-ARMITAGE       |     P=0.264N                                       |     P=0.020N*                                      |
|FISHER EXACT           |                     P=0.100N        P=0.178N       |                     P=0.387N        P=0.019N*      |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   6
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Mammary Gland                                                                                                                    |
|     Carcinoma or Adenoma                                                                                                        |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/50 (0%)       0/50 (0%)       0/50 (0%)      |     1/50 (2%)       2/50 (4%)       1/47 (2%)      |
|ADJUSTED (b)           |      0.0%            0.0%            0.0%          |      2.2%            5.6%            2.3%          |
|TERMINAL (d)           |     0/48 (0%)       0/48 (0%)       0/49 (0%)      |     0/35 (0%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      ---             ---             ---           |      632             732 (T)         708           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |       (e)             (e)             (e)          |     P=0.554N        P=0.509         P=0.749N       |
|INCIDENTAL TUMOR       |       (e)             (e)             (e)          |     P=0.652         P=0.473         P=0.482        |
|LOGISTIC REGRESSION    |       (e)             (e)             (e)          |     P=0.616N        P=0.500         P=0.763        |
|COCHRAN-ARMITAGE       |       (e)                                          |     P=0.616N                                       |
|FISHER EXACT           |                       (e)             (e)          |                     P=0.500         P=0.737        |
|=================================================================================================================================|
|                                                                                                                                 |
|Mammary Gland                                                                                                                    |
|     Fibroma, Fibroadenoma, Carcinoma, or Adenoma                                                                                |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/50 (0%)       0/50 (0%)       0/50 (0%)      |     1/50 (2%)       2/50 (4%)       1/47 (2%)      |
|ADJUSTED (b)           |      0.0%            0.0%            0.0%          |      2.2%            5.6%            2.3%          |
|TERMINAL (d)           |     0/48 (0%)       0/48 (0%)       0/49 (0%)      |     0/35 (0%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      ---             ---             ---           |      632             732 (T)         708           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |       (e)             (e)             (e)          |     P=0.554N        P=0.509         P=0.749N       |
|INCIDENTAL TUMOR       |       (e)             (e)             (e)          |     P=0.652         P=0.473         P=0.482        |
|LOGISTIC REGRESSION    |       (e)             (e)             (e)          |     P=0.616N        P=0.500         P=0.763        |
|COCHRAN-ARMITAGE       |       (e)                                          |     P=0.616N                                       |
|FISHER EXACT           |                       (e)             (e)          |                     P=0.500         P=0.737        |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   7
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Pituitary Gland: Pars Distalis or Unspecified Site                                                                               |
|     Adenoma                                                                                                                     |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/48 (0%)       0/49 (0%)       0/50 (0%)      |    12/49 (24%)      6/49 (12%)      1/46 (2%)      |
|ADJUSTED (b)           |      0.0%            0.0%            0.0%          |     32.2%           17.1%            2.3%          |
|TERMINAL (d)           |     0/47 (0%)       0/47 (0%)       0/49 (0%)      |    10/35 (29%)      6/35 (17%)      0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      ---             ---             ---           |      699             732 (T)         708           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |       (e)             (e)             (e)          |     P=0.001N**      P=0.094N        P<0.001N**     |
|INCIDENTAL TUMOR       |       (e)             (e)             (e)          |     P=0.002N**      P=0.094N        P=0.002N**     |
|LOGISTIC REGRESSION    |       (e)             (e)             (e)          |     P=0.001N**      P=0.095N        P=0.001N**     |
|COCHRAN-ARMITAGE       |       (e)                                          |     P=0.003N**                                     |
|FISHER EXACT           |                       (e)             (e)          |                     P=0.096N        P=0.001N**     |
|=================================================================================================================================|
|                                                                                                                                 |
|Thyroid Gland: Follicular Cell                                                                                                   |
|     Adenoma                                                                                                                     |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/50 (0%)       0/50 (0%)       2/50 (4%)      |     1/50 (2%)       1/49 (2%)       1/47 (2%)      |
|ADJUSTED (b)           |      0.0%            0.0%            4.1%          |      2.9%            2.8%            2.4%          |
|TERMINAL (d)           |     0/48 (0%)       0/48 (0%)       2/49 (4%)      |     1/35 (3%)       1/36 (3%)       1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      ---             ---             729 (T)       |      732 (T)         732 (T)         732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.097           (e)           P=0.243        |     P=0.659N        P=0.756N        P=0.726N       |
|INCIDENTAL TUMOR       |     P=0.097           (e)           P=0.243        |     P=0.659N        P=0.756N        P=0.726N       |
|LOGISTIC REGRESSION    |     P=0.097           (e)           P=0.243        |     P=0.659N        P=0.756N        P=0.726N       |
|COCHRAN-ARMITAGE       |     P=0.094                                        |     P=0.691                                        |
|FISHER EXACT           |                       (e)           P=0.247        |                     P=0.747         P=0.737        |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   8
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|Thyroid Gland: Follicular Cell                                                                                                   |
|     Carcinoma or Adenoma                                                                                                        |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |                                                    |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/50 (0%)       1/50 (2%)       3/50 (6%)      |     1/50 (2%)       1/49 (2%)       1/47 (2%)      |
|ADJUSTED (b)           |      0.0%            2.1%            6.1%          |      2.9%            2.8%            2.4%          |
|TERMINAL (d)           |     0/48 (0%)       1/48 (2%)       3/49 (6%)      |     1/35 (3%)       1/36 (3%)       1/41 (2%)      |
|FIRST INCIDENCE (DAYS) |      ---             729 (T)         729 (T)       |      732 (T)         732 (T)         732 (T)       |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.084         P=0.500         P=0.125        |     P=0.659N        P=0.756N        P=0.726N       |
|INCIDENTAL TUMOR       |     P=0.084         P=0.500         P=0.125        |     P=0.659N        P=0.756N        P=0.726N       |
|LOGISTIC REGRESSION    |     P=0.084         P=0.500         P=0.125        |     P=0.659N        P=0.756N        P=0.726N       |
|COCHRAN-ARMITAGE       |     P=0.080                                        |     P=0.691                                        |
|FISHER EXACT           |                     P=0.500         P=0.121        |                     P=0.747         P=0.737        |
|=================================================================================================================================|
|                                                                                                                                 |
|Uterus                                                                                                                           |
|     Polyp Stromal                                                                                                               |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |                                                    |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |                                                    |     2/50 (4%)       1/50 (2%)       0/47 (0%)      |
|ADJUSTED (b)           |                                                    |      5.2%            2.8%            0.0%          |
|TERMINAL (d)           |                                                    |     1/35 (3%)       1/36 (3%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |                                                    |      686             732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |                                                    |     P=0.187N        P=0.491N        P=0.215N       |
|INCIDENTAL TUMOR       |                                                    |     P=0.239N        P=0.493N        P=0.320N       |
|LOGISTIC REGRESSION    |                                                    |     P=0.215N        P=0.498N        P=0.251N       |
|COCHRAN-ARMITAGE       |                                                    |     P=0.221N                                       |
|FISHER EXACT           |                                                    |                     P=0.500N        P=0.263N       |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE   9
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Hemangiosarcoma                                                                                                             |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       3/50 (6%)       1/50 (2%)      |     1/50 (2%)       2/50 (4%)       0/47 (0%)      |
|ADJUSTED (b)           |      8.3%            6.3%            2.0%          |      2.9%            5.6%            0.0%          |
|TERMINAL (d)           |     4/48 (8%)       3/48 (6%)       1/49 (2%)      |     1/35 (3%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      732 (T)         732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|INCIDENTAL TUMOR       |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|LOGISTIC REGRESSION    |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|COCHRAN-ARMITAGE       |     P=0.156N                                       |     P=0.310N                                       |
|FISHER EXACT           |                     P=0.500N        P=0.181N       |                     P=0.500         P=0.515N       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Hemangiosarcoma or Hemangioma                                                                                               |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       3/50 (6%)       1/50 (2%)      |     1/50 (2%)       2/50 (4%)       0/47 (0%)      |
|ADJUSTED (b)           |      8.3%            6.3%            2.0%          |      2.9%            5.6%            0.0%          |
|TERMINAL (d)           |     4/48 (8%)       3/48 (6%)       1/49 (2%)      |     1/35 (3%)       2/36 (6%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         729 (T)       |      732 (T)         732 (T)         ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|INCIDENTAL TUMOR       |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|LOGISTIC REGRESSION    |     P=0.151N        P=0.500N        P=0.174N       |     P=0.258N        P=0.510         P=0.468N       |
|COCHRAN-ARMITAGE       |     P=0.156N                                       |     P=0.310N                                       |
|FISHER EXACT           |                     P=0.500N        P=0.181N       |                     P=0.500         P=0.515N       |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE  10
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Histiocytic Sarcoma                                                                                                         |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     0/50 (0%)       0/50 (0%)       0/50 (0%)      |     2/50 (4%)       3/50 (6%)       0/47 (0%)      |
|ADJUSTED (b)           |      0.0%            0.0%            0.0%          |      5.7%            7.5%            0.0%          |
|TERMINAL (d)           |     0/48 (0%)       0/48 (0%)       0/49 (0%)      |     2/35 (6%)       1/36 (3%)       0/41 (0%)      |
|FIRST INCIDENCE (DAYS) |      ---             ---             ---           |      732 (T)         690             ---           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |       (e)             (e)             (e)          |     P=0.124N        P=0.517         P=0.204N       |
|INCIDENTAL TUMOR       |       (e)             (e)             (e)          |     P=0.192N        P=0.508         P=0.204N       |
|LOGISTIC REGRESSION    |       (e)             (e)             (e)          |     P=0.151N        P=0.503         P=0.204N       |
|COCHRAN-ARMITAGE       |       (e)                                          |     P=0.159N                                       |
|FISHER EXACT           |                       (e)             (e)          |                     P=0.500         P=0.263N       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Malignant Lymphoma And Histiocytic Sarcoma                                                                                  |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       5/50 (10%)      5/50 (10%)     |    17/50 (34%)     13/50 (26%)     10/47 (21%)     |
|ADJUSTED (b)           |      8.3%           10.4%           10.0%          |     39.2%           30.9%           22.6%          |
|TERMINAL (d)           |     4/48 (8%)       5/48 (10%)      4/49 (8%)      |    10/35 (29%)      8/36 (22%)      7/41 (17%)     |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         624           |      519             495             555           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.516         P=0.500         P=0.514        |     P=0.068N        P=0.256N        P=0.062N       |
|INCIDENTAL TUMOR       |     P=0.539N        P=0.500         P=0.632N       |     P=0.355N        P=0.271N        P=0.378N       |
|LOGISTIC REGRESSION    |     P=0.508         P=0.500         P=0.500        |     P=0.136N        P=0.257N        P=0.120N       |
|COCHRAN-ARMITAGE       |     P=0.500                                        |     P=0.138N                                       |
|FISHER EXACT           |                     P=0.500         P=0.500        |                     P=0.257N        P=0.121N       |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE  11
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Malignant Lymphoma: Histiocytic, Lymphocytic, Mixed,                                                                        |
|     NOS, or Undifferentiated Cell Type                                                                                          |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |     4/50 (8%)       5/50 (10%)      5/50 (10%)     |    15/50 (30%)     10/50 (20%)     10/47 (21%)     |
|ADJUSTED (b)           |      8.3%           10.4%           10.0%          |     34.4%           24.7%           22.6%          |
|TERMINAL (d)           |     4/48 (8%)       5/48 (10%)      4/49 (8%)      |     8/35 (23%)      7/36 (19%)      7/41 (17%)     |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         624           |      519             495             555           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.516         P=0.500         P=0.514        |     P=0.172N        P=0.184N        P=0.131N       |
|INCIDENTAL TUMOR       |     P=0.539N        P=0.500         P=0.632N       |     P=0.573N        P=0.192N        P=0.589N       |
|LOGISTIC REGRESSION    |     P=0.508         P=0.500         P=0.500        |     P=0.292N        P=0.176N        P=0.224N       |
|COCHRAN-ARMITAGE       |     P=0.500                                        |     P=0.298N                                       |
|FISHER EXACT           |                     P=0.500         P=0.500        |                     P=0.178N        P=0.227N       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Benign Tumors                                                                                                               |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    23/50 (46%)     15/50 (30%)      9/50 (18%)     |    30/50 (60%)     13/50 (26%)      5/47 (11%)     |
|ADJUSTED (b)           |     47.9%           30.6%           18.4%          |     71.1%           35.0%           11.9%          |
|TERMINAL (d)           |    23/48 (48%)     14/48 (29%)      9/49 (18%)     |    23/35 (66%)     12/36 (33%)      4/41 (10%)     |
|FIRST INCIDENCE (DAYS) |      729 (T)         695             729 (T)       |      579             704             708           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.004N**      P=0.076N        P=0.002N**     |     P<0.001N**      P<0.001N**      P<0.001N**     |
|INCIDENTAL TUMOR       |     P=0.004N**      P=0.048N*       P=0.002N**     |     P<0.001N**      P<0.001N**      P<0.001N**     |
|LOGISTIC REGRESSION    |     P=0.003N**      P=0.065N        P=0.002N**     |     P<0.001N**      P<0.001N**      P<0.001N**     |
|COCHRAN-ARMITAGE       |     P=0.005N**                                     |     P<0.001N**                                     |
|FISHER EXACT           |                     P=0.074N        P=0.002N**     |                     P<0.001N**      P<0.001N**     |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE  12
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
|=================================================================================================================================|
|                       |                                                    |                                                    |
|                       |                       MALES                        |                      FEMALES                       |
|                       |                                                    |                                                    |
|DOSE                   |      VEHICLE         LOW  M/F        HIGH M/F      |      VEHICLE         LOW  M/F        HIGH M/F      |
|                       |      CONTROL         20PPM           100 PPM       |      CONTROL         20PPM           100 PPM       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Malignant Tumors                                                                                                            |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    13/50 (26%)     17/50 (34%)      9/50 (18%)     |    19/50 (38%)     17/50 (34%)     11/47 (23%)     |
|ADJUSTED (b)           |     27.1%           35.4%           18.0%          |     43.1%           40.8%           24.4%          |
|TERMINAL (d)           |    13/48 (27%)     17/48 (35%)      8/49 (16%)     |    11/35 (31%)     12/36 (33%)      7/41 (17%)     |
|FIRST INCIDENCE (DAYS) |      729 (T)         729 (T)         624           |      519             495             555           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.103N        P=0.256         P=0.220N       |     P=0.033N*       P=0.396N        P=0.045N*      |
|INCIDENTAL TUMOR       |     P=0.061N        P=0.256         P=0.151N       |     P=0.235N        P=0.427N        P=0.364N       |
|LOGISTIC REGRESSION    |     P=0.100N        P=0.256         P=0.217N       |     P=0.078N        P=0.420N        P=0.091N       |
|COCHRAN-ARMITAGE       |     P=0.114N                                       |     P=0.078N                                       |
|FISHER EXACT           |                     P=0.257         P=0.235N       |                     P=0.418N        P=0.091N       |
|=================================================================================================================================|
|                                                                                                                                 |
|All Organs                                                                                                                       |
|     Malignant and Benign Tumors                                                                                                 |
|                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------|
|TUMOR RATES            |       #               #               #            |       #               #               #            |
|-----------            |                                                    |                                                    |
|OVERALL (a)            |    30/50 (60%)     25/50 (50%)     18/50 (36%)     |    40/50 (80%)     27/50 (54%)     15/47 (32%)     |
|ADJUSTED (b)           |     62.5%           51.0%           36.0%          |     85.0%           65.5%           33.3%          |
|TERMINAL (d)           |    30/48 (63%)     24/48 (50%)     17/49 (35%)     |    28/35 (80%)     22/36 (61%)     11/41 (27%)     |
|FIRST INCIDENCE (DAYS) |      729 (T)         695             624           |      519             495             555           |
|-----------------------|                                                    |                                                    |
|STATISTICAL TESTS (f)  |                                                    |                                                    |
|-----------------------|                                                    |                                                    |
|LIFE TABLE             |     P=0.012N*       P=0.211N        P=0.011N*      |     P<0.001N**      P=0.012N*       P<0.001N**     |
|INCIDENTAL TUMOR       |     P=0.007N**      P=0.153N        P=0.006N**     |     P<0.001N**      P=0.005N**      P<0.001N**     |
|LOGISTIC REGRESSION    |     P=0.010N**      P=0.182N        P=0.009N**     |     P<0.001N**      P=0.005N**      P<0.001N**     |
|COCHRAN-ARMITAGE       |     P=0.014N*                                      |     P<0.001N**                                     |
|FISHER EXACT           |                     P=0.211N        P=0.014N*      |                     P=0.005N**      P<0.001N**     |
|=================================================================================================================================|
         DATE: 09/04/94                     EXPERIMENT: 05029 TEST: 02                                                 PAGE  13
                           STATISTICAL ANALYSIS OF PRIMARY TUMORS IN MICE(B6C3F1) -- DL AMPHETAMINE SULFATE
                                                 TERMINAL SACRIFICE AT 105 WEEKS
 (a)  Number of tumor-bearing animals / number of animals examined at site.
 (b)  Kaplan-Meier estimated lifetime tumor incidence after adjustment for 
      intercurrent mortality.
 (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.  The incidental tumor 
      test regards these lesions as non-fatal.  Logistic regression is an alternative
      method for analyzing the incidence of non-fatal tumors.  The Cochran-Armitage
      and Fisher's 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).
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