Table 3.

Prognostic factors for DFS and OS by multivariate Cox Proportional Hazards Regression Model

Variables	DFS			OS
	HR	95%CI	P	HR	95%CI	P
Tumor size (cm) (> 5 vs ≤ 5)	1.849	1.343–2.546	<  0.001	1.829	1.276–2.621	0.001
Capsulation (capsulated vs non-caspulated)	0.621	0.458–0.842	0.002	0.644	0.461–0.899	0.010
Tumor number (single vs mulitiple)	0.614	0.456–0.828	0.001	0.607	0.440–0.838	0.002
Vascular invasion (Yes vs No)	1.817	1.274–2.590	0.001	1.691	1.156–2.474	0.007
HRNR expression (High vs Low)	2.209	1.627–2.998	< 0.001	2.459	1.736–3.484	<  0.001

HR hazard ratio, CI confidence interval. Other abbreviations as in Table 1