Table 3.
Multivariate analysis of factors influencing OS, CSS and DFS
| Factors | OS | CSS | DFS | |||
|---|---|---|---|---|---|---|
| HR (95% CI) | p | HR (95% CI) | p | HR (95% CI) | p | |
| Stage (I ~ IV) | 1.539 (0.945 ~ 2.508) | 0.083 | 1.370 (0.795 ~ 2.362) | 0.257 | 1.982 (1.232 ~ 3.188) | 0.005 |
| Lymph nodes metastasis (Yes VS No) | 4.543 (1.786 ~ 11.556) | 0.001 | 5.770 (2.156 ~ 15.443) | <0.001 | 4.474 (1.817 ~ 11.017) | 0.001 |
| Concurrent chemotherapy(Yes VS No) | 3.223 (1.172 ~ 8.860) | 0.023 | 3.967 (1.131 ~ 13.908) | 0.031 | 2.565 (1.023 ~ 6.430) | 0.045 |
Abbreviations: OS Overall survival, CSS Cause-specific survival, DFS Disease-free survival, HR Hazard ratio, CI Confidence interval