Table 3.

Meta-analysis of effects of microwave ablation versus radiofrequency ablation on HCCs

	CTA	1-year SR	3-year SR	OS	LTR	Major complications
Cohort studies	MWA 86.7–100%	MWA 81.6–98%	MWA 49–79%	HR 0.80	OR 0.95	OR 1.23
	RFA 83.9–100%	RFA 67.6–98.7%	RFA 37.6–82.7%	95% CI 0.62–1.04	95% CI 0.64–1.41	95% CI 0.45–3.37
	P > 0.05	P > 0.05	P > 0.05
	[9–14]	[9–14]	[9–14]	[9–14]	[9–14]	[10–12]
RCT	MWA 89.1–96.1%	NA	NA	HR 0.58	OR 1.19	OR 0.80
	RFA 89.5–95.8%			95% CI 0.22–1.56	95% CI 0.20–7.06	95% CI 0.26–2.49
	P > 0.05
	[15–17]			[15, 17]	[15–17]	[15, 16]

CTA complete tumor ablation, SR survival rates, OS overall survival, LTR local tumor recurrence, MWA microwave ablation, RFA radiofrequency ablation, HR hazard ratio, RCT randomized controlled trial, NA not applicable. Those in square brackets were numbers of references