artcat: Sample-size calculation for an ordered categorical outcome

We describe a new command, artcat, that calculates sample size or power for a randomized controlled trial or similar experiment with an ordered categorical outcome, where analysis is by the proportional-odds model. artcat implements the method of Whitehead (1993, 12: 2257-2271). We also propose and...

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Bibliographic Details

Published in:	The Stata journal Vol. 23; no. 1; p. 3
Main Authors:	White, Ian R, Marley-Zagar, Ella, Morris, Tim P, Parmar, Mahesh K B, Royston, Patrick, Babiker, Abdel G
Format:	Journal Article
Language:	English
Published:	United States 01.03.2023
Subjects:	clinical trial evaluation artcat substantial-superiority trial proportional-odds model noninferiority trial power categorical variable sample size st0700 randomized controlled trial
ISSN:	1536-867X
Online Access:	Get more information
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