Meta-analysis of percutaneous radiofrequency ablation versus ethanol injection in hepatocellular carcinoma.

From a clinical point of view these findings seem to be highly significant, and although the number of studies furnishing combinable data is limited, the absence of patent differences between groups with regards to Child-Pugh grade of liver dysfunction, tumour size or number of single tumours, highlights the possible benefits of RFA itself.

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Pooled analysis of these major complications, showed that, despite there being a trend towards a greater number in the RFA group, this difference failed to reach statistical significance (Table 2 ).

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