Table 5. Results of multivariable Cox regression analysis of male patients.
| Prognostic Factor | Hazard ratio | 95% CI | P |
|---|---|---|---|
| OS | |||
| Differentiation (Poor vs. Moderate vs. Well) | 1.075 | 0.821-1.408 | 0.600 |
| pT status (T3 vs. T2 vs. T1) | 1.591 | 1.130-2.240 | 0.008 |
| pN status (N3 vs. N2 vs. N1 vs.N0) | 2.174 | 1.818-2.599 | < 0.001 |
| Surgery (Qualified vs. Unqualified) | 0.450 | 0.323-0.627 | < 0.001 |
| KIF-2C (<2.0 vs. ≥2.0) | 1.480 | 1.085-2.020 | 0.013 |
| DFS | |||
| Differentiation (Poor vs. Moderate vs. Well) | 1.141 | 0.876-1.487 | 0.329 |
| pT status (T3 vs. T2 vs. T1) | 1.575 | 1.131-2.193 | 0.007 |
| pN status (N3 vs. N2 vs. N1 vs.N0) | 2.142 | 1.800-2.548 | < 0.001 |
| Surgery (Qualified vs. Unqualified) | 0.492 | 0.357-0.679 | < 0.001 |
| KIF-2C (<2.0 vs. ≥2.0) | 1.418 | 1.048-1.918 | 0.024 |
CI: Confidence interval; pT, Pathologic tumor; pN, Pathologic node; OS, Overall survival; DFS, Disease-free survival; Qualified surgery, R0 resection with at least 12 resected lymph nodes; Unqualified surgery, R0 resection with less than 12 resected lymph nodes.