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 S...
| Publicado en: | BMC Gastroenterology Vol. 21; no. 1; pp. 1 - 9 |
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| Autores principales: | , , , , , , , , , |
| Formato: | Journal Article |
| Publicado: |
BioMed Central
3/22/2021
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| Acceso en línea: | Ver este registro en EBSCOhost |