Case and control demographics for the colorectal adenoma and colorectal cancer case-control studies
Colorectal cancer study | Colorectal adenoma study | |||||||
---|---|---|---|---|---|---|---|---|
Controls | Cases | Controls | Cases | |||||
Total, n | 742 | 500 | 296 | 317 | ||||
Sex, n (%) | ||||||||
Male | 408 (55.0) | 300 (60.0) | 174 (58.8) | 226 (71.3) | ||||
Female | 334 (45.0) | 200 (40.0) | 122 (41.2) | 91 (28.7) | ||||
Mean age (SD) | 67.9 (8.8) | 67.3 (8.4) | 62.0 (5.6) | 62.5 (5.7) | ||||
Male | 68.2 (8.4) | 66.7 (8.3) | 62.0 (5.5) | 62.7 (5.8) | ||||
Female | 67.5 (9.3) | 68.2 (8.5) | 62.0 (5.8) | 62.2 (5.7) | ||||
Site (primary for cancer), n (%) | ||||||||
Colon only | 286 (57.2) | 223 (75.1) | ||||||
Rectum only | 214 (42.8) | 46 (15.5) | ||||||
Colon and rectum | 28 (9.4) |