Table 2.
Multivariate analysis of risk factors for local recurrence
| Factors | Odds ratio | 95%CI | P value |
| Size ≥ 2 cm | 0.93 | 0.41-2.11 | 0.87 |
| Histology villous type | 1.03 | 0.51-2.07 | 1.03 |
| Piecemeal resection | 24.3 | 9.07-65.4 | < 0.001 |
CI: Confidence interval.
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