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Power and Sample Size Determination for the Group Comparison of Patient-Reported Outcomes with Rasch Family Models
BACKGROUND: Patient-reported outcomes (PRO) that comprise all self-reported measures by the patient are important as endpoint in clinical trials and epidemiological studies. Models from the Item Response Theory (IRT) are increasingly used to analyze these particular outcomes that bring into play a l...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3585387/ https://www.ncbi.nlm.nih.gov/pubmed/23468955 http://dx.doi.org/10.1371/journal.pone.0057279 |