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. 2012 Jul 26;345:e4800. doi: 10.1136/bmj.e4800

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© Vyas et al 2012

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name vyam004609.f1_default.jpg — Meta-analysis of coronary events. Studies were combined using a random effects generic inverse variance model after stratification by study design. *Risk ratio and 95% confidence interval recalculated from original study data over duration of follow-up