Table 3. Multivariate stepwise backward Cox regression analysis for prognostic factors in the derivation set.

Variable	Overall Survival		P-value (Cox)
	Hazard Ratio	95% CI
Child-Pugh increase	1.264	1.063-1.502	0.008
HBV-DNA level (IU/mL)	1.612	1.179-2.205	0.003
Tumor diameter (cm)	1.67	1.101-2.534	0.016
Vascular invasion	1.36	1.029-1.798	0.031
Platelets (10 9/L)	0.659	0.461-0.941	0.022