Figure 3. Meta-analysis of the Effect of Aspirin on Fatal and Nonfatal Stroke Events

This is a meta-analysis of five different studies comparing aspirin and control arms, also giving weight (%) and odds ratios. For full description of the data, see the text version of this figure.

BMD⁵ indicates British Male Doctors' Trial; HOT⁸, Hypertension Optimal Treatment Trial; PHS⁴, Physicians' Health Study; PPP⁹, Primary Prevention Project; TPT⁷, Thrombosis Prevention Trial. The result of the chi-square test for heterogeneity was 5.36 (P=0.25).

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