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. 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 5. Oestrogen vs placebo (in primary prevention).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Death (all causes) 1 222 Odds Ratio (M-H, Fixed, 95% CI) 0.33 [0.01, 8.20]
2 Death (CV cause) 1 222 Odds Ratio (M-H, Fixed, 95% CI) 0.33 [0.01, 8.20]
3 Non-fatal MI 1 222 Odds Ratio (M-H, Fixed, 95% CI) 1.0 [0.06, 16.19]
4 Stroke 1 222 Odds Ratio (M-H, Fixed, 95% CI) 5.09 [0.24, 107.27]
5 Combined CV events 1 222 Odds Ratio (M-H, Fixed, 95% CI) 1.51 [0.25, 9.24]