Table 6 Multivariate analysis Cox regression model of disease-free survival for standard clinicopathological parameters and exclusive cytoplasmic factor-inhibiting hypoxia-inducible factor expression (n = 207)
| Hazard ratio | 95% confidence interval | P value | |
|---|---|---|---|
| Exclusive cytoplasmic factor-inhibiting hypoxia-inducible factor 1 | 1.73 | 1.04–2.89 | 0.04 |
| Tumour grade | 1.52 | 1.06–2.16 | 0.02 |
| Tumour size | 2.94 | 1.79–4.83 | <0.001 |
| Nodal status | 2.72 | 1.66–4.46 | <0.001 |