Comparison 8.

Mifepristone alone (low or mid dose) versus mifepristone + anordrin (all doses)

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Observed number of pregnancies (all women)	5	3038	Risk Ratio (M‐H, Fixed, 95% CI)	1.32 [0.73, 2.41]
2 Any side effect	2	442	Risk Ratio (M‐H, Fixed, 95% CI)	0.83 [0.49, 1.41]
3 Specific side effects	5		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Nausea	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.53 [0.44, 0.65]
3.2 Vomiting	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.26 [0.14, 0.50]
3.3 Headache	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.81 [0.53, 1.25]
3.4 Dizziness	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.77 [0.54, 1.10]
3.5 Breast tenderness	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.93 [0.65, 1.32]
3.6 Fatigue	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	0.66 [0.49, 0.89]
3.7 Diarrhoea	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
3.8 Spotting/bleeding after treatment	5	3038	Risk Ratio (M‐H, Fixed, 95% CI)	1.80 [1.33, 2.43]
3.9 Abdominal pain	1	2387	Risk Ratio (M‐H, Fixed, 95% CI)	1.18 [0.83, 1.67]
4 Delay in menses	3		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
4.1 Early	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
4.2 Delay	3	2781	Risk Ratio (M‐H, Fixed, 95% CI)	0.79 [0.65, 0.97]