. Author manuscript; available in PMC: 2014 Sep 15.

Published in final edited form as: Cochrane Database Syst Rev. 2005 Apr 18;(2):CD002229. doi: 10.1002/14651858.CD002229.pub2

Comparison 6. Oestrogen vs placebo (in secondary prevention).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Death (all causes)	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	0.97 [0.70, 1.35]
2 Death (CV causes)	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	0.72 [0.45, 1.15]
3 Non-fatal MI	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	1.27 [0.84, 1.92]
4 Stroke	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	1.17 [0.81, 1.70]
5 Combined CV events and outcomes	2	666	Odds Ratio (M-H, Fixed, 95% CI)	0.72 [0.51, 1.00]
6 Venous thromboembolism	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	0.97 [0.28, 3.38]
7 Pulmonary embolism	2	1681	Odds Ratio (M-H, Fixed, 95% CI)	0.98 [0.28, 3.39]