Identifying Comorbid Fibromyalgia in Inflammatory Arthritis: The Role of Disease Activity in Fibromyalgia Survey Questionnaire Performance.
To evaluate the utility of the Fibromyalgia Survey Questionnaire (FSQ) as a screening tool for fibromyalgia (FM) in patients with inflammatory arthritis (IA) and to determine optimal cutoff points according to arthritis disease activity. Patients with rheumatoid arthritis (RA),…