Comparison 10.

Mifepristone alone (all doses) versus mifepristone + tamoxifen (all doses)

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Observed number of pregnancies (all women)	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.31, 28.60]
2 Specific side effect	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Nausea	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	0.74 [0.38, 1.43]
2.2 Vomiting	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	2.0 [0.18, 21.88]
2.3 Headache	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.12, 73.20]
2.4 Dizziness	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	5.0 [0.24, 103.49]
2.5 Fatigue	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	1.17 [0.40, 3.41]
2.6 Breast tenderness	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	0.5 [0.05, 5.47]
2.7 Diarrhoea	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.12, 73.20]
2.8 Spotting/bleeding after treatment	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	0.71 [0.35, 1.44]
2.9 Abdominal pain	1	400	Risk Ratio (M‐H, Fixed, 95% CI)	3.0 [0.31, 28.60]
2.10 Heavy menses	1	396	Risk Ratio (M‐H, Fixed, 95% CI)	5.56 [1.25, 24.74]
3 Menses	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Delay	1	396	Risk Ratio (M‐H, Fixed, 95% CI)	1.79 [0.93, 3.43]