Comparison 5. Alitretinoin vs placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Proportion of participants achieving a 50% reduction in disease severity in the short term	1	33	Risk Ratio (M‐H, Random, 95% CI)	0.69 [0.36, 1.30]
2 Proportion of participants with adverse effects in the short term	1	33	Risk Ratio (M‐H, Random, 95% CI)	0.84 [0.61, 1.17]