Table 3.
Risk factors of local recurrence after colorectal ESD.
| OR (95% CI) | p | |
|---|---|---|
| Age | 1.005 (0.948–1.065) | 0.861 |
| Sex | ||
| Male | 1.000 | |
| Female | 0.702 (0.224–2.197) | 0.544 |
| Tumor size | 1.002 (0.963–1.042) | 0.937 |
| Tumor location | ||
| Rectum | 1.000 | |
| Right colon | 1.846 (0.473–7.207) | 0.377 |
| Left colon | 1.230 (0.203–7.442) | 0.822 |
| Tumor morphology | ||
| Is | 1.000 | |
| LST G-H | 0.387 (0.044–3.371) | 0.390 |
| LST G-NM | 0.301 (0.071–1.277) | 0.103 |
| LST NG-FE | 0.414 (0.079–2.169) | 0.297 |
| LST NG-PD | 0.272 (0.031–2.364) | 0.238 |
| Submucosal fibrosis | ||
| Absence | 1.000 | |
| Presence | 2.293 (0.663–7.934) | 0.190 |
| Procedure time | 1.004 (0.996–1.013) | 0.340 |
| En bloc resection | ||
| Yes | 1.000 | |
| No (piecemeal resection) | 3.948 (1.164–13.385) | 0.028 |
| Histology | ||
| Adenoma | 1.000 | |
| Sessile serrated lesion | 1.013 (0.995–1.073) | 0.999 |
| Mucosal cancer | 0.909 (0.225–3.667) | 0.893 |
| Submucosal cancer | 2.648 (0.649–10.804) | 0.175 |
| Differentiation of adenocarcinoma | ||
| Well-differentiated | 1.000 | |
| Moderately differentiated | 2.260 (0.403–12.666) | 0.354 |
| Poorly differentiated | 1.000 | |
| Histological complete resection | ||
| Yes | 1.000 | |
| No | 8.713 (2.588–29.334) | <0.001 |
ESD, endoscopic submucosal dissection; LST-G-H, granular homogenous laterally spreading tumor; LST-G-NM, granular nodular mixed laterally spreading tumor; LST-NG-FE, non-granular flat elevated laterally spreading tumor; LST-NG-PD, non-granular pseudodepressed laterally spreading tumor.