Efficacy of Aspirin in preventing death after a myocardial infarct.
A data frame with 7 observations on the following 4 variables.
number of deaths after placebo.
total number subjects treated with placebo.
number of deaths after Aspirin.
total number of subjects treated with Aspirin.
The data were collected for a meta-analysis of the effectiveness of Aspirin (versus placebo) in preventing death after a myocardial infarction.
J. L. Fleiss (1993), The statistical basis of meta-analysis. Statistical Methods in Medical Research 2, 121–145.
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