|  | N (%) | Demographics | Yield | |||
---|---|---|---|---|---|---|---|
 |  |  | Mean age (range) | Males (%) | CRC (%) | Adv Adenomas*(%) | Advanced neoplasia (%) |
Indication for colonoscopy | Personal history of adenomas | 516 (49.6) | 63.2 (29–87) | 279 (54.1) | 1 (0.2) | 59 (11.4) | 60 (11.6) |
 | Personal history of CRC§ | 172 (16.5) | 66.2 (44–86) | 82 (47.7) | 3 (1.7) | 19 (11.0) | 22 (12.8) |
 | Family history of CRC§ | 353 (33.9) | 54.3 (27–82) | 161 (45.6) | 1 (0.3) | 23 (6.5) | 24 (6.8) |
 | Total population | 1041 (100) | 60.7 (27–87) | 522 (50.1) | 5 (0.5) | 101 (9.7) | 106 (10.2) |