https://www.selleckchem.com/pr....oducts/ly2874455.htm
The Crohn's Life Impact Questionnaire and IBD questionnaire-32 on quality of life, the IBD-Control on disease activity and the IBD Disability Index Self-Report and its 8-item version on disability, have the strongest evidence for sufficient relevance, comprehensiveness and comprehensibility, ranging from moderate to very low evidence. A fair number of recurring items themes, possibly important for the selected constructs was identified. CONCLUSIONS The body of evidence for content validity of IBD-specific health-related quality of lif