Table 1.
Demographics and yield of advanced neoplasia‡ in three different indication groups in 1041 asymptomatic, high-risk subjects referred for surveillance colonoscopy
| |
|
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) | |
‡ Advanced neoplasia is defined as either one or more advanced adenoma(s) or a CRC.
§ CRC: colorectal cancer.
* Advanced adenoma: Adenomas ≥1.0 cm, with any villous features (i.e. tubulovillous or villous adenoma) or high-grade dysplasia.