Table 3.
Results of multivariate stepwise backward regression analysis of prognostic factors for 3-year recurrence
| Variable | Odds ratio (95%CI) | Regression coefficient | Score points1 | P-value |
| Grade of dysplasia | ||||
| Low-grade | 1 | - | ||
| High-grade | 4.25 (2.11-7.5) | 1.93 | 4 | < 0.001 |
| Size | ||||
| ≤ 15 mm | 1 | - | ||
| > 15 mm | 3.96 (1.87-7.55) | 1.61 | 3 | < 0.001 |
| Number of ACAs | ||||
| 1 | 1 | - | ||
| > 1 | 3.22 (2.19-5.39) | 1.21 | 2 | < 0.001 |
1
The regression coefficients were multiplied by 2 and rounded in order to facilitate the calculation of the score. ACA: Advanced colorectal adenoma.