Outcomes of microwave versus radiofrequency ablation for hepatocellular carcinoma: A systematic review and meta-analysis

Table 3 Summary of the comparison of median and mean overall survival rates between microwave ablation versus radiofrequency ablation for intrahepatic hepatocellular carcinoma lesions in both cohort studies and randomised controlled trials

Year	MWA sample size	RFA sample size	Median OS		P value
			MWA	RFA
1	1135	1623	96.2%	95.4%	0.31
2	651	789	90.7%	88.0%	0.10
3	1004	1480	80.5%	75.3%	0.002
4	421	464	76.8%	70.0%	0.02
5	764	1221	67.3%	69.5%	0.30

OS: Overall survival; MWA: Microwave ablation; RFA: Radiofrequency ablation.