Comparison 2. combined regimen mifepristone/prostaglandin: dose of prostaglandin.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 failure to achieve complete abortion	4		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 gemeprost 1 mg vs 0.5 mg	2	1034	Risk Ratio (M‐H, Fixed, 95% CI)	0.43 [0.31, 0.59]
1.2 misoprostol 800po or pv vs 400po	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.53, 1.31]
2 side effects	2	2802	Risk Ratio (M‐H, Fixed, 95% CI)	1.10 [0.95, 1.27]
2.1 nausea	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	1.03 [0.85, 1.25]
2.2 vomiting	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	1.21 [0.90, 1.64]
2.3 diarrhoea	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	1.13 [0.81, 1.56]
3 women dissatisfied with the procedure	2	931	Risk Ratio (M‐H, Fixed, 95% CI)	1.06 [0.76, 1.50]
4 ongoing pregnancy	2	933	Risk Ratio (M‐H, Fixed, 95% CI)	0.10 [0.01, 0.76]
4.1 misoprostol 800mcg vs 400 mcg	2	933	Risk Ratio (M‐H, Fixed, 95% CI)	0.10 [0.01, 0.76]
5 surgical evacuation	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.53, 1.31]
5.1 misoprostol 800mcg vs 400mcg	2	934	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.53, 1.31]