Comparison 24.

Mifepristone high dose (> 50 mg) versus mifepristone low dose (< 25 mg)

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Observed number of pregnancies (all women)	5	1726	Risk Ratio (M‐H, Fixed, 95% CI)	0.52 [0.23, 1.17]
2 Observed number of pregnancies (by risk status)	1	1102	Risk Ratio (M‐H, Fixed, 95% CI)	0.99 [0.29, 3.41]
2.1 High‐risk women	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.2 Low‐risk women	1	1102	Risk Ratio (M‐H, Fixed, 95% CI)	0.99 [0.29, 3.41]
3 Any side effect	3	512	Risk Ratio (M‐H, Fixed, 95% CI)	13.04 [5.13, 33.15]
4 Specific side effects	3		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
4.1 Nausea	1	90	Risk Ratio (M‐H, Fixed, 95% CI)	1.67 [0.42, 6.56]
4.2 Vomiting	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.3 Headache	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.4 Dizziness	1	90	Risk Ratio (M‐H, Fixed, 95% CI)	1.5 [0.26, 8.55]
4.5 Fatigue	2	1210	Risk Ratio (M‐H, Fixed, 95% CI)	1.25 [1.00, 1.56]
4.6 Breast tenderness	1	90	Risk Ratio (M‐H, Fixed, 95% CI)	5.0 [0.25, 101.31]
4.7 Diarrhoea	1	90	Risk Ratio (M‐H, Fixed, 95% CI)	1.5 [0.26, 8.55]
4.8 Spotting/bleeding after treatment	2	1224	Risk Ratio (M‐H, Fixed, 95% CI)	2.36 [1.89, 2.95]
4.9 Abdominal pain	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
5 Menses	4		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
5.1 Early	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
5.2 Delay	4	1574	Risk Ratio (M‐H, Fixed, 95% CI)	1.98 [1.66, 2.37]