Table 3.
Multivariate analysis: independent predictors of outcome
| Variable | Hazard ratio | p-value |
|---|---|---|
| Tumor size (cm) | ||
| <5 | 1 | |
| ≥5 | 1.59 (1.26, 2.00) | <0.001 |
| Blood loss during surgery (mL) | ||
| ≤200 | 1 | |
| >200 | 1.46 (1.16, 1.84) | <0.001 |
| Approach of lymph node dissection | ||
| R0 (D0/D1/D2) | 1 | |
| Reduction surgery (R1/R2) | 3.20 (2.58, 3.98) | <0.001 |
| Palliative surgery | 2.90 (0.71, 11.81) | 0.137 |
| Histopathologic type | ||
| Well differentiation | 1 | |
| Poor differentiation | 1.40 (1.09, 1.79) | 0.008 |
| Mixed differentiation | 1.44 (1.10, 1.89) | 0.007 |
| TNM | ||
| I+II | 1 | |
| III+IV | 3.78 (3.02, 4.74) | <0.001 |
| Location | ||
| Distal | 1 | |
| Proximal | 1.48 (1.19, 1.85) | <0.001 |