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

Abstract 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...

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Uloženo v:
Hlavní autoři: Alissa Walsh, Rena Cao, Darren Wong, Ramona Kantschuster, Lawrence Matini, Jean Wilson, Andrey Kormilitzin, Matthew South, Simon Travis, Sarah Bauermeister
Médium: Artigo
Jazyk:Inglês
Vydáno: BMC 2021-03-01
Edice:BMC Gastroenterology
Témata:
Ulcerative colitis
Activity index
Item response theory
On-line přístup:https://doi.org/10.1186/s12876-021-01621-y
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