Comparison 5. Sclerotherapy (chromated glycerin) versus sclerotherapy (any sclerosing agent).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
5.1 Resolution or improvement of telangiectasias	2	125	Std. Mean Difference (IV, Random, 95% CI)	0.45 [‐0.11, 1.02]
5.2 Adverse events	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
5.2.1 Hyperpigmentation	2	125	Risk Ratio (M‐H, Random, 95% CI)	0.49 [0.09, 2.50]
5.2.2 Matting	1	99	Risk Ratio (M‐H, Random, 95% CI)	0.31 [0.01, 7.53]
5.2.3 Bruising	1	26	Risk Ratio (M‐H, Random, 95% CI)	0.14 [0.02, 1.00]
5.2.4 Microthrombosis	1	99	Risk Ratio (M‐H, Random, 95% CI)	1.32 [0.45, 3.87]
5.3 Pain	1		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected