Table 1.

Worse prognostic factors affecting OS by multivariate analyses

Variables	Unfavorable factor	HR (95% CI)	P
MCT4	High expression	1.67 (0.99–2.81)	0.054
Calretinin	Low expression	0.25 (0.098–0.65)	0.004**
Therapeutic intervention	Chemo/radio therapy or surgery	0.40 (0.17–0.92)	0.030*

Statistical significance is indicated by asterisk (*), where * = P < 0.05, ** = P < 0.01, *** = P < 0.001