Patient and procedure characteristics for all successfully abstracted charts and for charts in which colonoscopy was intended or performed
| Characteristic | No. (%) of charts* | |
|---|---|---|
| All abstracted charts n = 1845 | Colonoscopy intended or performed n = 1282 | |
| Age group, yr | ||
| < 50 | 469 (25.4) | 251 (19.6) |
| 50–59 | 517 (28.0) | 395 (30.8) |
| 60–69 | 430 (23.3) | 327 (25.5) |
| 70–74 | 174 (9.4) | 134 (10.4) |
| > 74 | 255 (13.8) | 175 (13.6) |
| Sex | ||
| Female | 986 (53.4) | 709 (55.3) |
| Male | 859 (46.6) | 573 (44.7) |
| Procedure(s) performed† | ||
| Colonoscopy only | 1143 (62.0) | 1125 (87.8) |
| Gastroscopy only | 45 (2.4) ≤ 5 | |
| Flexible sigmoidoscopy only | 432 (23.4) ≤ 5 | |
| Colonoscopy + gastroscopy | 200 (10.8) | 151 (11.8) |
| Flexible sigmoidoscopy + gastroscopy | 12 (0.6) | ≤ 5 |
| Colonoscopy + other procedure | ≤ 5 | ≤ 5 |
| Flexible sigmoidoscopy + other procedure | ≤ 5 | 0 (0) |
| Other procedure only | 6 (0.3) | 0 (0) |
| Median neighbourhood income quintile‡ | ||
| 1 (lowest) | 300 (16.3) | 205 (16.0) |
| 2 | 331 (17.9) | 225 (17.6) |
| 3 | 337 (18.3) | 233 (18.2) |
| 4 | 393 (21.3) | 265 (20.7) |
| 5 (highest) | 474 (25.7) | 348 (27.1) |
| Missing | 10 (0.5) | 6 (0.5) |
| Setting | ||
| Nonhospital clinic | 284 (15.4) | 216 (16.8) |
| Hospital | 1561 (84.6) | 1066 (83.2) |