Variable | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
HR | 95% CI | P value | HR | 95% CI | P value | |
Sex | 0.643 | 0.406–1.018 | 0.060 |  |  |  |
Age | 0.804 | 0.519–1.244 | 0.327 |  |  |  |
Tumour size (cm) | 1.626 | 0.984–2.689 | 0.058 |  |  |  |
Differentiation | 1.307 | 0.753–2.269 | 0.354 |  |  |  |
Perineural invasion | 1.279 | 0.766–2.135 | 0.355 |  |  |  |
R0 resection | 1.249 | 0.575–2.711 | 0.574 |  |  |  |
TNM stage | 1.378 | 0.836–2.272 | 0.209 |  |  |  |
Lymphatic metastasis | 2.918 | 1.765–4.821 |  < 0.001* | 2.474 | 1.477–4.143 |  < 0.001* |
Vascular Invasion | 1.361 | 0.765–2.423 | 0.294 |  |  |  |
HIF-1a Expression | 2.406 | 1.527–3.792 |  < 0.001* | 2.386 | 1.474–3.862 |  < 0.001* |