Table 3.

Studies reporting long-term survival outcomes of patients with early-stage HCC who underwent percutaneous RFA

Author	No. of patients	Survival (%)
		1 year	3 years	5 years
Lencioni et al. [12]
Child-Pugh A, 1 HCC < 5 cm or 3 HCCs < 3 cm	144	100	76	51
1 HCC < 5 cm	116	100	89	61
Child-Pugh B, 1 HCC < 5 cm or 3 HCCs < 3 cm	43	89	46	31
Tateishi et al. [13]
Naive patientsa	319	95	78	54
Nonnaive patientsb	345	92	62	38
Cabassa et al. [14]	59	94	65	43
Choi et al. [15]
Child-Pugh A, 1 HCC < 5 cm or 3 HCCs < 3 cm	359	NA	78	64
Child-Pugh B, 1 HCC < 5 cm or 3 HCCs < 3 cm	160	NA	49	38
Takahashi et al. [16]
Child-Pugh A, 1 HCC < 5 cm or 3 HCCs < 3 cm	171	99	91	77
Hiraoka et al. [17]
Child-Pugh A to B	105	NA	88	59

NA not available

^aPatients who received radiofrequency ablation as primary treatment

^bPatients who received radiofrequency ablation for recurrent tumour after previous treatment including resection, ethanol injection, microwave ablation, and transarterial embolization