Abstract
To evaluate whether radiofrequency ablation (RFA) or surgical resection (RES) has superior overall survival (OS) and disease-free survival (DFS) in patients with hepatocellular carcinoma and Child-Pugh class A liver cirrhosis. Meta-analysis was used to compare 1-, 3-, and 5-year OS and DFS between RFA and RES. Those studies meeting inclusion criteria and published prior to 1 June 2015 were included. The odds ratio (OR) was used as the treatment effect measure. A priori defined sensitivity analyses of study subgroups was performed. Fifteen studies were included in this analysis. Subgroup analyses based on predetermined patient characteristics were performed to minimise bias. No difference in 1-year OS, 3-year OS, and 3-year DFS was found in analyses limited to studies where patients were equally eligible for both therapies. There was also not a significant difference in OS and DFS between RFA and RES when studies were limited to those with only solitary tumours or tumours <3 cm. The data suggest the equivalence of RFA and RES in patients with solitary tumours <3 cm and good liver status based on Child-Pugh score.
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