Table 3. Summary of survival analysis by multivariate Cox regression analysis.

Parameter		Overall survival			Disease-free survival
Category	Subcategory	p	Exp(B)	95% CI	p	Exp(B)	95% CI
Gender	Male vs Female	0.707	0.861	0.395–1.876	0.725	0.870	0.399–1.896
Age(y)	≤60 vs >60	0.708	0.864	0.403–1.853	0.814	0.913	0.427–1.952
Histological grade	Well vs Poor	0.075	1.554	0.956–2.524	0.103	1.507	0.920–2.468
Tumor size (cm)	≤4 vs>4	0.128	0.496	0.201–1.223	0.188	0.547	0.223–1.343
TNM classification	I–II vs III–IV	0.008	2.428	1.256–4.694	0.012	2.301	1.197–4.421
MCT4 expression	Low vs high	0.002	3.641	1.599–8.293	0.003	3.423	1.506–7.781