Table 2.

Univariate and multivariate analysis for overall survival (Cox proportional hazards regression model)

Variable	Univariate analysis		Mutivariate analysis
	No.	p value	HR	95% CI	p value
ROR1 expression		0.021*	2.024	1.106-3.706	0.022*
low expression	63
high expression	71
Age		0.309	1.683	0.871-3.250	0.121
≤50	63
>50	71
T classification		0.204	1.305	0.360-4.728	0.685
T1+ T2	120
T3	14
N classification		0.088	1.571	0.787-3.136	0.204
N0	51
N1+ N2+ N3	83
Tumor size		0.168	1.691	0.578-4.944	0.338
≤5	109
>5	25