Variables:
A data frame with 7 observations on the following 5 variables.
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dp
-
number of deaths after placebo.
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tp
-
total number subjects treated with placebo.
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da
-
number of deaths after Aspirin.
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ta
-
total number of subjects treated with Aspirin.
Details
The data were collected for a meta-analysis of the effectiveness of Aspirin (versus placebo) in preventing death after a myocardial infarction.