Comparison 2. Pregabalin 300 mg versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Pain score	1	107	Mean Difference (IV, Fixed, 95% CI)	‐0.50 [‐1.41, 0.41]
2.2 Gastrointestinal side effects (nausea)	1	107	Odds Ratio (M‐H, Fixed, 95% CI)	0.85 [0.33, 2.19]
2.3 Gastrointestinal side effects (vomiting)	1	107	Odds Ratio (M‐H, Fixed, 95% CI)	0.76 [0.35, 1.63]
2.4 Gastrointestinal side effects (diarrhoea)	1	107	Odds Ratio (M‐H, Fixed, 95% CI)	0.82 [0.38, 1.76]
2.5 Patient satisfaction with analgesia	1	104	Odds Ratio (M‐H, Fixed, 95% CI)	0.97 [0.42, 2.21]
2.6 Patient satisfaction with abortion care overall	1	105	Odds Ratio (M‐H, Fixed, 95% CI)	1.84 [0.80, 4.22]