Abstract 260
| Lesion size (mm) | n | Prevalence | Synchronous HP | Anatomical site | Paris class | ||
|---|---|---|---|---|---|---|---|
| Left colon | Right colon | I | II | ||||
| Association between synchronous CRC (21% (212/1000)): <6 mm HP OR 1.0 (p = NS); 6–10 mm HP OR 3.1 (p<0.05); >10 mm HP OR 6.2 (p<0.001). | |||||||
| 0–6 | 9146 | 599 | 61% | 8139/9146 | 1007/9146 | 76% | 24% |
| 93.4% | 60% | 89% | 11% | ||||
| 6–10 | 451 | 121 | 16/120 | 172/451 | 279/451 | 54% | 46% |
| 4.6% | 12% | 13.3% | 38% | 62% | |||
| ⩾10 | 196 | 26 | 1/26 | 10/196 | 186/196 | 14% | 86% |
| 2% | 2.6% | 3.8% | 4.5% | 95% | |||