Table 1. Incidence of carcinoma and quantitative evaluation of neoplastic lesions in prostates of TRAP rats treated C21.
| No. of rat | Ventral | Lateral | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Incidence of carcinoma | % of lesions in prostate | Incidence of carcinoma | % of lesions in prostate | ||||||
| LG-PIN | HG-PIN | Adenocarcinoma | LG-PIN | HG-PIN | Adenocarcinoma | ||||
| Control | 12 | 12 (100%) | 6.9 ± 2.5 | 82.9 ± 5.4 | 10.3 ± 4.4 | 12 (100%) | 12.0 ± 11.0 | 79.6 ± 10.9 | 8.4 ± 4.0 |
| C21 1 mg/kg/day | 12 | 12 (100%) | 16.7 ± 4.8**** | 73.9 ± 4.6 | 9.4 ± 3.9 | 10 (83%) | 12.6 ± 9.4 | 79.5 ± 13.1 | 7.9 ± 7.4 |
| C21 2 mg/kg/day | 12 | 12 (100%) | 14.1 ± 3.1*** | 80.8 ± 3.9 | 5.2 ± 4.0* | 7 (58%)* | 20.2 ± 11.0*** | 77.0 ± 9.7 | 2.8 ± 4.0* |
*p < 0.05, ***p < 0.001, ****p < 0.001: significantly different from control group.