Power and sample size determination for the group comparison of patient-reported outcomes using the Rasch model: impact of a misspecification of the parameters

BACKGROUND: Patient-reported outcomes (PRO) are important as endpoints in clinical trials and epidemiological studies. Guidelines for the development of PRO instruments and analysis of PRO data have emphasized the need to report methods used for sample size planning. The Raschpower procedure has bee...

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Detalhes bibliográficos
Publicado no:BMC Med Res Methodol
Main Authors: Blanchin, Myriam, Guilleux, Alice, Perrot, Bastien, Bonnaud-Antignac, Angélique, Hardouin, Jean-Benoit, Sébille, Véronique
Formato: Artigo
Idioma:Inglês
Publicado em: BioMed Central 2015
Assuntos:
Research Article
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4373307/
https://ncbi.nlm.nih.gov/pubmed/25880670
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12874-015-0011-4
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