Comparison 2. Ibuprofen + codeine (all doses) versus same dose of ibuprofen alone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Participants with ≥ 50% pain relief	3	204	Risk Ratio (M‐H, Fixed, 95% CI)	1.26 [1.01, 1.57]