THU0553 Relationship between Active Disease and Fibromyalgia in Patients with Rheumatoid Arthritis

BackgroundRheumatoid arthritis (RA) is an inflammatory disease characterized by erosive synovitis. Fibromyalgia syndrome (FMS) known with widespread pain, fatigue, sleep disturbances and mood disorders. FMS frequency increased in patients with RA.ObjectivesThis study aimed to assess the prevalence of FMS in patients with RA and to analyse the relationship between disease activity and FMS.MethodsThe study included 151 RA patients and 77 controls without inflammatory rheumatic diseases. RA patients and the control group were evaluated with 2010 ACR criteria for FMS. Participants were divided into 4 groups according to presence of RA and FMS (Group 1: RA+, FMS+; Group 2: RA+, FMS-; Group 3: RA-, FMS+; Group 4: RA-, FMS-). Demographic characteristics, laboratory results, VAS pain, DAS 28, and HAQ scores were compared between 4 groups. RA patients were classified as in remission or without according to the DAS 28 score (DAS 28≤2.6 and>2.6 respectively) and FMS evaluated.ResultsThe mean age and sex distribution were similar between the RA patients and controls. FMS was found in 35.1% of RA patients and 19.5% of controls (p