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The Simple Cholestatic Complaints Score is a valid and quick patient reported outcome measure in primary sclerosing cholangitis.

Authors
  • van Munster, Kim N1
  • Dijkgraaf, Marcel G W2
  • van Gennep, Sara1
  • Beuers, Ulrich1
  • Ponsioen, Cyriel Y1
  • 1 Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, location AMC, Amsterdam Gastroenterology & Metabolism, Amsterdam, The Netherlands. , (Netherlands)
  • 2 Department of Epidemiology and Data Science, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands. , (Netherlands)
Type
Published Article
Journal
Liver international : official journal of the International Association for the Study of the Liver
Publication Date
Aug 25, 2020
Identifiers
DOI: 10.1111/liv.14644
PMID: 32841496
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Measuring symptoms and disease burden in patients with primary sclerosing cholangitis (PSC) is increasingly important for daily practice and clinical trials. The Simple Cholestatic Complaints Score (SCCS) is a 4-item questionnaire, that measures cholestatic symptoms (pruritus, fatigue, RUQ abdominal pain and fever) in PSC patients. The aim of this study was to evaluate reliability and validity of SCCS in a Dutch population. The study population consisted of 212 patients from the Dutch prospective PSC registry. Data were collected via digital surveys. Reliability was evaluated by internal consistency and reproducibility. Construct-, criterion-, and discriminant validity were determined. The ability to detect clinical change with SCCS was evaluated in patients that underwent endoscopic intervention. SCCS collected by email and by a mobile application were compared. A total of 153 patients completed the questionnaire. Internal consistency was moderate and increased to 0.71 after removal of the fever item. Test-re-test reproducibility was high (Intraclass correlation coefficient=0.96). Criterion validity was good (all >0.82). Construct validity was in line with a priori hypothesized correlations in 80%. SCCS was able to differentiate between clinically different groups. There was no difference between inflammatory bowel disease (IBD) and non-IBD patients. SCCS was responsive to change after endoscopic intervention in successfully treated patients. SCCS measurement by digital questionnaire and a mobile application was comparable. The SCCS is a valid instrument to measure cholestatic symptoms in PSC patients. Because of its quick and easy to use properties it is suitable for frequent monitoring of symptoms in clinical trials and daily practice. This article is protected by copyright. All rights reserved.

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