Table 6.

Multivariate Cox proportional-hazards analysis in the patients with surgery

Variable	PFS
	HR	95% CI	P value
Tumor size (< 5 cm vs. ≥ 5 cm)	1.293	0.644-2.594	0.470
Vascular invasion (Negative vs. Positive)	2.009	0.971-4.155	0.060
Child-Pugh Classification Grade (A vs. B and C)	1.205	0.450-3.225	0.711
CIK (With vs. Without)	0.382	0.182-0.802	0.011