Comparison 3. Ibuprofen versus placebo (effect of formulation).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Clinical success	5	436	Risk Ratio (M‐H, Fixed, 95% CI)	1.64 [1.33, 2.01]
1.1 Cream	3	195	Risk Ratio (M‐H, Fixed, 95% CI)	1.28 [1.03, 1.59]
1.2 Gel	2	241	Risk Ratio (M‐H, Fixed, 95% CI)	2.66 [1.69, 4.21]