Radiofrequency ablation of hepatocellular carcinoma: Current status

Table 2 Studies comparing local tumor progression rates of radiofrequency ablation for hepatocellular carcinoma

Author	Yr	n	Tumor size (mean, cm)	Follow-up period (mean, mo)	Local tumor progression rate (%)
Rossi et al[63]	1996	41	2.3	22.6	5.0
Buscarini et al[64]	2001	60	-	26.8	14
Choi et al[65]	2004	53	2.1	23	21
Lu et al[66]	2005	87	2.5	12.7	5.8
Shiina et al[67]	2005	118	-	34.8	1.7
Solmi et al[68]	2006	63	2.8	32.3	41
Hänsler et al[69]	2007	21	4.2	-	21
Waki et al[70]	2010	88	-	36	4.8