Table 1 Number (%) of neoplasm-bearing mice/number of mice examined
Age at death | F AL | F DR | M AL | M DR |
|---|---|---|---|---|
12 ± 1 months | 2/22 (9.1) | 2/19 (10.5) | 0/19 (0.0) | 0/24 (0.0) |
17 ± 1 months | 8/41 (19.5) | 0/15 (0.0) | 4/45 (8.9) | 0/34 (0.0) |
20 ± 1 months | 13/21 (61.9) | 0/16 (0.0) | 9/20 (45.0) | 1/5 (20.0) |
23 ± 1 months | 24/47 (51.1) | 7/35 (20.0) | 12/31 (38.7) | 5/11 (45.5) |
26 ± 1 months | 18/34 (52.9) | 0/6 (0.0) | 15/61 (24.6) | 13/48 (27.1) |
29 ± 1 months | 16/30 (53.3) | 3/31 (9.7) | 2/24 (8.3) | 4/25 (16.0) |
32 ± 1 months | 22/37 (59.5) | 15/41 (36.6) | 11/36 (30.6) | 8/58 (13.8) |
35 ± 1 months | 1/8 (12.5) | 5/36 (13.9) | 7/34 (20.6) | |
37 months | 2/20 (10.0) |