Research Article
Repeat Colonoscopy within 6 Months after Initial Outpatient Colonoscopy in Ontario: A Population-Based Cross-Sectional Study
Table 2
Very early repeat colonoscopy: patient characteristics and description of index colonoscopy (7,892).
| | Clinical setting of index colonoscopy | Teaching hospital | Community hospital | Nonhospital facility | |
| | | 955/35,988 (2.7%) | 3,890/181,039 (2.1%) | 3,047/117,636 (2.6%) | 7,892/334,663 |
| | Patient characteristics | | | | value among strata | | Age | | | | | | 50–54 years | 175 (18.3%) | 707 (18.2%) | 777 (25.5%) | <0.0001 | | 55–59 years | 166 (17.4%) | 715 (18.4%) | 625 (20.5%) | | 60–64 years | 180 (18.9%) | 741 (19.1%) | 629 (20.6%) | | 65–69 years | 181 (19.0%) | 776 (20.0%) | 528 (17.3%) | | 70–74 years | 154 (16.1%) | 555 (14.3%) | 322 (10.6%) | | 75–79 years | 99 (10.4%) | 396 (10.2%) | 166 (5.5%) |
| | Female | 445 (46.6%) | 1651 (42.4%) | 1290 (42.3%) | 0.05 | | Male | 510 (53.4%) | 2239 (57.6%) | 1757 (57.7%) |
| | Residence | | | | | | Income quintile 1 | 174 (18.2%) | 529 (13.6%) | 451 (14.8%) | <0.0001 | | Income quintile 2 | 156 (16.3%) | 598 (15.4%) | 531 (17.4%) | | Income quintile 3 | 163 (17.1%) | 630 (16.2%) | 587 (19.3%) | | Income quintile 4 | 179 (18.7%) | 680 (17.5%) | 657 (21.6%) | | Income quintile 5 | 199 (20.8%) | 638 (16.4%) | 692 (22.7%) | | Rural | 84 (8.8%) | 815 (21.0%) | 129 (4.2%) |
| | ADG score | | | | | | Mean (SD) | 5.93 (3.49) | 5.44 (3.09) | 4.83 (2.84) | <0.0001 | | Median (IQR) | 5 (3–8) | 5 (3–7) | 4 (3–6) |
| | Colonoscopy description | | Complete | 770 (80.6%) | 3409 (87.6%) | 2617 (85.9%) | <0.0001 | | Incomplete | 185 (19.4%) | 481 (12.4%) | 430 (14.1%) |
| | Open access | 564 (59.1%) | 1193 (30.7%) | 2172 (71.3%) | <0.0001 | | Not open access | 391 (40.9%) | 2697 (69.3%) | 875 (28.7%) |
| | Most complex procedure at index colonoscopy | | | | | | Removal of large polyp or obstructing lesion | 59 (6.2%) | 407 (10.5%) | 181 (5.9%) | <0.0001 | | Standard polypectomy | 318 (33.3%) | 1247 (32.1%) | 876 (28.8%) | | Biopsy | 165 (17.3%) | 567 (14.6%) | 442 (14.5%) | | None of the above or none | 413 (43.3%) | 1669 (42.9%) | 1548 (50.8%) |
|
|
