Group no | Treatment | Incidence (% animals with adenoma and/or adenocarcinoma) | Tumor multiplicity (no. of tumors/rats) | ||||
---|---|---|---|---|---|---|---|
Adenoma | Adenocarcinoma | Total | Adenoma | Adenocarcinoma | Total | ||
1 | Normal | 0 | 0 | 0 | 0 | 0 | 0 |
2 | AOM alone | 6/6 (100%) | 5/6 (83%) | 6/6 (100%) | 3.05 ± 0.81a | 3.73 ± 0.70b | 6.78 ± 0.48b |
3 | AOM + 10% (w/w) of brewers’ rice | 4/6 (67%) | 4/6 (67%) | 4/6 (67%) | 2.72 ± 1.73a | 1.58 ± 0.56ab | 4.30 ± 0.81ab |
4 | AOM + 20% (w/w) of brewers’ rice | 3/6 (50%) | 3/6 (50%) | 3/6 (50%) | 1.75 ± 1.10a | 1.50 ± 0.80ab | 3.25 ± 0.18ab |
5 | AOM + 40% (w/w) of brewers’ rice | 2/6 (33%) | 2/6 (33%) | 2/6 (33%) | 1.10 ± 0.59a | 0.45 ± 0.38a | 1.55 ± 0.46a |