Comparison 3. CHM versus CHM.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Effectiveness	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
2 Recurrence	2	140	Risk Ratio (M‐H, Random, 95% CI)	0.40 [0.21, 0.77]