Table 4.

Multivariate cox proportional hazard regression for overall survival (*p<0.05).

Variables	Group	Hazard ratio	95% Confidence interval	P value
Age (years)	≥61 vs <61	2.07	1.08-3.96	0.025*
Clinical stage	III-IV vs I-II	1.59	0.69-3.67	0.275
DIAPH1 expression	High vs Low	2.86	1.51-5.41	0.001*