Appropriate colorectal screening among (No (%)) | ||||
---|---|---|---|---|
Subjects | Appropriate colorectal screening (all) (No (%)) | Affected‡ | Unaffected | p value* |
*p value comparing affected and unaffected is two tailed from Fisher’s exact test; | ||||
†two of 26 people at risk for HNPCC were not considered eligible for colorectal cancer surveillance because of age <20; | ||||
‡affected corresponds to history of colon cancer for HNPCC, or history of multiple colonic adenomas for FAP. | ||||
Total (n=42†) | 27/42 (64) | 17/19 (89) | 10/23 (43) | 0.0003 |
HNPCC (n=24) | 14/24 (58) | 6/7 (86) | 8/17 (47) | 0.17 |
FAP (n=18) | 13/18 (72) | 11/12 (92) | 2/6 (33) | 0.02 |