Table 4.

Construction of risk score model

Variables	β	SE	Wald	P value	HR (95% CI)
Tumor stage I			11.611	0.003
Stage II	0.153	0.268	0.328	0.567	1.166 (0.690-1.970)
Stage III + IV	0.734	0.224	10.683	0.001	2.083(1.341-3.233)
Radical resection	0.068	0.356	0.037	0.848	1.071(0.533-2.152)
HBV infection	-0.896	0.264	11.545	0.001	0.408(0.244-0.685)
DUAXP8	0.382	0.206	3.432	0.064	1.465(0.978-2.195)
RNF2	0.433	0.207	4.366	0.037	1.542(1.027-2.315)

Note: SE: standard error, HR: hazard ratio, CI: confidence interval.