Blandaltman: A Command to Create Variants of Bland-Altman Plots
The Stata journal(2023)
摘要
Bland-Altman plots can be useful in paired data settings such as measurement-method comparison studies. A Bland-Altman plot has differences, percentage differences, or ratios on the y axis and a mean of the data pairs on the x axis, with 95% limits of agreement indicating the central 95% range of differences, percentage differences, or ratios. This range can vary with the mean. We introduce the community-contributed blandaltman command, which uniquely in Stata can 1) create Bland-Altman plots featuring ratios in addition to differences and percentage differences, 2) allow the limits of agreement for ratios and percentage differences to vary as a function of the mean, and 3) add confidence intervals, prediction intervals, and tolerance intervals to the plots.
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关键词
gr0094,blandaltman,Bland-Altman plot,limits of agreement,agreement,baplot,batplot,concord,prediction,tolerance,interval,ratio,percentage difference
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