Table 2.

Univariate and multivariate Cox proportional hazards regression analysis on OS.

	Univariate analysis			Multivariate analysis
	HR	95% CI for HR	p value	HR	95% CI for HR	p value
RiskScore	2.72	2.04-3.62	<0.001	2.45	1.54-3.89	<0.001
Pathologic_M	4.85	2.66-8.85	<0.001	0.55	0.04-6.9	0.646
Pathologic_N	1.96	1.28 3	<0.001	1.63	0.91-2.91	0.099
Pathologic_T	1.21	0.77-1.9	<0.001	1.65	0.73-3.71	0.231
Tumor_stage	1.27	0.74-2.19	<0.001	0.57	0.2-1.6	0.283
Age	1.03	1.02-1.05	<0.001	1.03	1.01-1.04	<0.001