| | | Clinical setting of index colonoscopy | Overall | Teaching hospital | Community hospital | Nonhospital facility | OR (95% CI) | OR (95% CI) | OR (95% CI) |
| Patient factors | Patient age (per one year increase) | 1.02 (1.02, 1.02) | 1.02 (1.01, 1.03) | 1.02 (1.01, 1.02) | 1.02 (1.01, 1.03) |
| Patient sex | | | | | Female | 0.75 (0.70, 0.79) | 0.67 (0.57, 0.79) | 0.71, (0.66, 0.78) | 0.82 (0.74, 0.91) | Male | Reference | Reference | Reference | Reference |
| Patient ADG | 1.03 (1.02, 1.04) | 1.06 (1.04, 1.09) | 1.03 (1.02, 1.04) | 1.02 (1.00, 1.04) |
| Index colonoscopy factors | Setting | | | | | Teaching hospital | 1.02 (0.88, 1.19) | Not applicable | Not applicable | Not applicable | Community hospital | Reference | Nonhospital facility | 1.44 (1.30, 1.60) |
| Complete | Reference | Reference | Reference | Reference | Incomplete | 8.18 (7.07, 9.45) | 7.76 (5.93, 10.14) | 7.04 (5.75, 8.62) | 11.64 (8.87, 15.27) |
| Index endoscopist prior year volumes | Colonoscopy | 0.99 (0.98, 1.01) | 0.95 (0.92, 0.97) | 0.97 (0.95, 0.99) | 1.02 (1.00, 1.04) |
| Standard polypectomy | 0.99 (0.97, 1.01) | 1.06 (1.02, 1.10) | 1.02 (1.00, 1.04) | 0.96 (0.94, 0.98) |
| Volume of “removal of large polyp or obstructing lesion” | 1.01 (0.98, 1.03) | 1.02 (0.96, 1.08) | 0.98 (0.95, 1.02) | 1.02 (0.97, 1.07) |
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