Table 3.

Multivariate analysis of patients’ survival

	Regression coefficient	SE	Relative risk (RR)	95.0% CI for RR		P
				Lower	Upper
TNM stage	0.514	0.088	1.672	1.407	1.987	0.009*
Relapse	−0.780	0.586	0.458	0.145	1.446	0.183
Lymph node	0.434	0.406	1.544	0.696	3.425	0.285
ETV1	0.405	0.158	1.502	1.100	2.044	0.028*
COP1	−0.431	0.753	0.650	0.149	6.732	0.000*
Age	0.291	0.268	1.338	0.792	2.261	0.276
Tumor size	0.449	0.610	1.566	0.474	5.175	0.462
Pathological type	0.857	0.677	2.357	0.626	8.879	0.205

*For ETV1 or COP1, positive was labeled as 1, and negative was labeled as 0. Stage I, II, III were labeled as 1, 2, 3, respectively.