Table 4.
Adjusted1 OR and 95% CI for metachronous high risk adenomas among NHCR participants with large serrated polyps, STSA and no high risk adenomas on their index colonoscopy
| Metachronous HRA | ||||
|---|---|---|---|---|
| Index findings | N | No N (Row %) | Yes N (Row %) | OR2 95% CI |
| No HRA2 and SP ≥ 1 cm | 87 | 82 (94.3) | 5 (5.7) | 1.11 (0.40–3.14) |
| No HRA2 and STSA | 153 | 141 (92.2) | 12 (7.8) | 1.52 (0.74–3.11) |
| No HRA2, no LRA and no SP | 2,396 | 2,280 (95.2) | 116 (4.8) | Reference |
Abbreviation: NHCR = New Hampshire Colonoscopy Registry, HRA=high risk adenoma, SP = serrated polyp, STSA = sessile and traditional serrated adenoma
1
Adjusted for patient age, gender, smoking status, BMI and median time between the 2 colonoscopies
2
Includes low risk adenomas (LRA)