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