[Retracted] A Comparison between Three-Dimensional Visualization Guided Hepatectomy and Ultrasonography Guided Radiofrequency Ablation in the Treatment of Small Hepatocellular Carcinoma within the Milan Criteria

Table 4

Overall survival and recurrence-free survival for patients in subgroups.

Subgroups	5-year overall survival rate			5-year recurrence-free survival
	SR (n)	RFA (n)	p value	SR	RFA	p value
Solitary > 3 cm	51.0% (39)	38.4% (44)	0.031	43.2%	26.7%	0.037
Multiple tumors	38.8% (25)	17.6% (34)	0.024	10.6%	7.0%	0.164
Solitary ≤ 3 cm	92.6% (28)	70.2% (24)	0.026	64.3%	36.2%	0.007
AFP < 400 μg/L	73.6% (50)	47.8% (60)	0.002	50.9%	27.6%	0.002
AFP ≥ 400 μg/L	46.9% (42)	28.5% (42)	0.008	26.8%	14.4%	0.027
Noncirrhosis	67.7% (43)	46.0% (53)	0.006	45.4%	25.5%	0.005
Cirrhosis	55.4% (49)	31.5% (49)	0.005	35.5%	17.9%	0.013
Child-Pugh A	64.8% (69)	45.2% (73)	0.002	42.3%	25.5%	0.002
Child-Pugh B	49.9% (23)	22.8% (29)	0.034	33.6%	11.9%	0.089
Age ≤ 60 years	63.2% (77)	36.8% (82)	<0.001	41.2%	22.2%	<0.001
Age > 60 years	60.0% (15)	51.0% (20)	0.814	35.6%	22.9%	0.709

AFP: α-fetoprotein.