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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Detalhes bibliográficos
Publicado no:BMC Gastroenterol
Main Authors: Walsh, Alissa, Cao, Rena, Wong, Darren, Kantschuster, Ramona, Matini, Lawrence, Wilson, Jean, Kormilitzin, Andrey, South, Matthew, Travis, Simon, Bauermeister, Sarah
Formato: Artigo
Idioma:Inglês
Publicado em: BioMed Central 2021
Assuntos:
Research Article
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC7983213/
https://ncbi.nlm.nih.gov/pubmed/33752610
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12876-021-01621-y
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