Table 4.
Multivariate analysis for DFS and OS
| Variable | DFS | OS | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P value | HR | 95% CI | P value | |
| T stage | 1.249 | 0.729–2.140 | 0.419 | 1.513 | 0.832–2.750 | 0.175 |
| N stage | 1.184 | 0.709–1.979 | 0.518 | 1.301 | 0.743–2.279 | 0.358 |
| M stage | 2.675 | 1.104–6.481 | 0.029a | 4.364 | 1.641–11.603 | 0.003a |
| AJCC stage | 2.192 | 1.297–3.704 | 0.003a | 2.154 | 1.222–3.796 | 0.008a |
| Differentiation | ||||||
| Well | — | |||||
| Moderate | 1.920 | 0.997–3.698 | 0.051 | 2.122 | 1.039–4.337 | 0.039a |
| Poor | 2.115 | 1.048–4.267 | 0.037a | 1.978 | 0.924–4.232 | 0.079 |
| Vessel invasion | 0.869 | 0.373–2.022 | 0.744 | 0.609 | 0.232–1.598 | 0.313 |
| KRT80 expression | 2.527 | 1.390–4.594 | 0.002a | 2.023 | 1.085–3.771 | 0.027a |
HR hazard ratio, CI confidence interval
aP < 0.05 was considered significant