Table 2. Multivariate logistic regression analysis results of pathologic complete response.
| Variables | OR | 95% CI | P |
| Pre-cT, pre-treatment-cT stage; Post-nCRT CEA, post-treatment serum carcinoembryonic antigen; MR-TRG, magnetic resonance tumor regression grade; OR, odds ratio; 95% CI, 95% confidence interval. | |||
| Pre-cT | |||
| ≤T2 | 2.944 | 1.226−7.065 | 0.016 |
| ≥T3 | 1 | ||
| Post-nCRT CEA (ng/mL) | |||
| ≤5 | 7.885 | 0.984−63.207 | 0.052 |
| >5 | 1 | ||
| Lesion depth (mm) | |||
| 0 | 4.708 | 2.159−10.266 | <0.001 |
| ≥1 | 1 | ||
| MR-TRG | |||
| TRG 1−3 | 6.524 | 2.146−19.830 | 0.001 |
| TRG 4−5 | 1 | ||