Attrition diagrams for clinical trials and meta-analyses in Stata
Christiaan H. Righolt
Vaccine and Drug Evaluation Centre
Department of Community Health Sciences
University of Manitoba
Winnipeg, Canada
[email protected]
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Salaheddin M. Mahmud
Vaccine and Drug Evaluation Centre
Department of Community Health Sciences
University of Manitoba
Winnipeg, Canada
[email protected]
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Abstract. In this article, we present attrition, a suite of commands to simplify
the maintenance and documentation of implemented exclusion criteria and
attrition conditions using standard Stata facilities and to generate an attrition
diagram. attrition can be used, both from the command line and in do-files, to
keep the diagram up to date with the analysis it documents. Six subcommands
(set, exclude, count, tab, list, graph)
allow the diagram to be constructed in a versatile way.
View all articles by these authors:
Christiaan H. Righolt, Salaheddin M. Mahmud
View all articles with these keywords:
attrition set, attrition exclude, attrition count, attrition tab, attrition list, attrition graph, attrition diagram, inclusion variable, clinical trial, meta-analysis
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