Table 1 Distributions of gender and age among controls and cases with colorectal carcinomas and adenomas.
Controls | Carcinomas | Adenomas, all | High-risk adenomas | Low-risk adenomas | |
|---|---|---|---|---|---|
No (%) | No (%) | No (%) | No (%) | No (%) | |
No. of subjects | 399 | 156 | 981 | 227 | 754 |
Sex a | |||||
Male | 157 (39.3) | 86 (55.1) | 601 (61.3) | 150 (66.1) | 451 (59.8) |
Female | 242 (60.7) | 70 (44.9) | 380 (38.7) | 77 (33.9) | 303 (40.2) |
Age b | |||||
Mean (SD) | 54.2 (3.3) | 67.9 (11.2) | 57.3 (3.7) | 57.3 (3.5) | 57.3 (3.8) |