Functional Assessment of Chronic Illness Therapy-Fatigue is a reliable and valid measure in patients with active ankylosing spondylitis.

Authors: Cella, David, Lenderking, William R., Chongpinitchai, Peter, Bushmakin, Andrew G., Dina, Oluwaseyi, Wang, Lisy, Cappelleri, Joseph C., Navarro-Compán, Victoria

Source: Journal of Patient-Reported Outcomes; 9/23/2022, Vol. 6 Issue 1, p1-10, 10p

Subject Terms: WELL-being, RESEARCH evaluation, STATISTICAL reliability, ANKYLOSING spondylitis, RANDOMIZED controlled trials, CRONBACH'S alpha, PSYCHOMETRICS, RESEARCH funding, QUESTIONNAIRES, DESCRIPTIVE statistics, QUALITY of life, BLIND experiment, INTRACLASS correlation, REPEATED measures design, FATIGUE (Physiology), STATISTICAL sampling, STATISTICAL correlation, LONGITUDINAL method

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