Percutaneous radiofrequency ablation is superior to hepatic resection in patients with small hepatocellular carcinoma

Table 2 Univariate logistic regression and multivariate Cox proportional-hazards regression for recurrence-free survival of patients with hepatocellular carcinoma who received hepatic resection or percutaneous radiofrequency ablation

Variables	Univariate logistic regression	Cox proportional-hazards regression
	P value	Hazard ratio (95%CI)	P value
Albumin (g/dL)	0.018	0.325 (0.109–0.875)	0.020
AFP: normal vs abnormal	0.037	1.658 (1.135–3.258)	0.023
Number of tumours
1		1.000	0.023
2		5.784 (1.387–20.268)	0.015
3		7.458 (0.896–87.257)	0.056
TNM stage	< 0.001
I
II
Days of hospital stay during initial therapy	0.028	1.058 (1.005–1.224)	0.027
HR vs PRFA	0.043	1.045 (0.325–2.838)	0.039

AFP: Alpha fetoprotein; TNM: Tumor Node Metastasis; HR: hepatic resection; PRFA: Percutaneous radiofrequency ablation.