Using item response theory (IRT) to improve the efficiency of the Simple Clinical Colitis Activity Index (SCCAI) for patients with ulcerative colitis

BACKGROUND: The SCCAI was designed to facilitate assessment of disease activity in ulcerative colitis (UC). We aimed to interrogate the metric properties of individual items of the SCCAI using item response theory (IRT) analysis, to simplify and improve its performance. METHODS: The original 9-item...

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Detalles Bibliográficos
Autores principales: Walsh, Alissa, Cao, Rena, Wong, Darren, Kantschuster, Ramona, Matini, Lawrence, Wilson, Jean, Kormilitzin, Andrey, South, Matthew, Travis, Simon, Bauermeister, Sarah
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2021
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7983213/
https://www.ncbi.nlm.nih.gov/pubmed/33752610
http://dx.doi.org/10.1186/s12876-021-01621-y

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