Table 2.

Summary of univariate and multivariate Cox regression analysis

Parameter	Univariate analysis			Multivariate analysis
	HR	95% CI	P value	HR	95% CI	P value
Age (year)	0.749	0.411-1.367	0.347	0.684	0.360-1.299	0.246
<45 vs. ≥45
TNM classification	2.620	1.163-5.902	0.020*	2.997	1.263-7.113	0.013*
ER	2.114	1.169-3.824	0.013*	1.782	0.795-3.994	0.160
PR	1.932	1.067-3.500	0.030*	1.284	0.578-2.852	0.539
T classification	1.849	0.78-4.384	0.163	2.862	1.104-7.418	0.593
N classification	1.075	0.868-1.332	0.507	1.062	0.852-1.323	0.593
GRP94 expression	0.278	0.143-0.540	<0.001*	0.288	0.145-0.574	<0.001*

^*Statistically significant.