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. Author manuscript; available in PMC: 2015 Apr 16.
Published in final edited form as: Cochrane Database Syst Rev. 2014 Apr 16;4:CD009868. doi: 10.1002/14651858.CD009868.pub2

Comparison 2. Blood pressure.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Systolic blood pressure 9 5787 Mean Difference (IV, Random, 95% CI) -7.02 [-10.18, -3.87]
2 Diastolic blood pressure 9 5787 Mean Difference (IV, Random, 95% CI) -3.65 [-5.44, -1.85]
3 Systolic blood pressure: primary prevention trials 7 2366 Mean Difference (IV, Random, 95% CI) -7.45 [-11.05, -3.84]
4 Systolic blood pressure: 3+ drugs only 6 4014 Mean Difference (IV, Random, 95% CI) -7.00 [-11.40, -2.60]
5 Systolic blood pressure: comparator as usual care 3 3624 Mean Difference (IV, Random, 95% CI) -4.76 [-11.24, 1.71]