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A simple ratio-based approach for power and sample size determination for 2-group comparison using Rasch models

BACKGROUND: Despite the widespread use of patient-reported Outcomes (PRO) in clinical studies, their design remains a challenge. Justification of study size is hardly provided, especially when a Rasch model is planned for analysing the data in a 2-group comparison study. The classical sample size fo...

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Detalles Bibliográficos
Autores principales: Sébille, Véronique, Blanchin, Myriam, Guillemin, Francis, Falissard, Bruno, Hardouin, Jean-Benoit
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4105835/
https://www.ncbi.nlm.nih.gov/pubmed/24996957
http://dx.doi.org/10.1186/1471-2288-14-87