Table 4. Complications Following Surgery and Ablation.

Study	Comparison	Surgery				Ablation
		Pt.	Complication	Minor Complication	Major Complication	Pt.	Complication	Minor Complication	Major Complication
Xu et al. [23]	Surgery vs. MWA	46	3	0	3	41	1	0	1
Li et al. [22]	Surgery vs. MWA	143	17	0	17	168	7	0	7
Zhou et al. [25]	Surgery vs. LA	45	3	0	3	36	0	0	0
Zhang et al. [24]	Surgery vs. RFA	80	3	0	3	94	0	0	0
Pooled proportions, total*(95% CI)			7.8† (4.6–13.1)	0	7.8† (4.6–13.1)		3.3† (1.7–6.2)	0	3.3† (1.7–6.2)

^*Difference between surgery and ablation group. Complication, p = 0.03; minor complication, p > 0.99; major complication, p = 0.03, ^†Significantly different proportion between surgery and ablation. CI = confidence interval, LA = laser ablation, MWA = microwave ablation, Pt. = number of patients, RFA = radiofrequency ablation