Comparison 10. Chemical peeling versus needling.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Participant‐reported scar improvement (1 month)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2 Investigator‐assessed scar improvement (1 month)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3 Patient satisfaction	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
4 Participant‐reported adverse events (< 4 weeks)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
5 Investigator‐assessed adverse events (1 month)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
5.1 Hyperpigmentation	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6 Post‐procedure down time	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected