Journal
RMD OPEN
Volume 9, Issue 3, Pages -Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/rmdopen-2023-003157
Keywords
Arthritis, Psoriatic; Outcome Assessment, Health Care; Patient Reported Outcome Measures
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ObjectivesWe aimed to evaluate whether obese patients with psoriatic arthritis (PsA) were less likely to be in remission/low disease activity (LDA).MethodsWe used data from the ReFlaP, an international multi-centre cohort study (NCT03119805), which recruited consecutive adults with definite PsA (disease duration & GE; 2 years) from 14 countries. Demographics, clinical data, comorbidities, and patient-reported outcomes were collected. Remission/LDA was defined as Very Low Disease Activity (VLDA)/minimal disease activity (MDA), Disease Activity in PSoriatic Arthritis (DAPSA) & LE;4/& LE;14, or by patients' opinion. Obesity was defined as physician-reported and/or body mass index & GE;30 kg/m2. We evaluated the association between obesity and the presence of remission/LDA, with adjustment in multivariable regression models.ResultsAmong 431 patients (49.3% women), 136 (31.6%) were obese. Obese versus non-obese patients were older, more frequently women, had higher tender joint and enthesitis counts and worse pain, physical function and health-related quality of life. Obese patients were less likely to be in VLDA; DAPSA remission and MDA, with adjusted ORs of 0.31 (95% CI 0.13 to 0.77); 0.39 (95% CI 0.19 to 0.80) and 0.61 (95% CI 0.38 to 0.99), respectively. Rates of DAPSA-LDA and patient-reported remission/LDA were similar for obese and non-obese patients.ConclusionPsA patients with comorbid obesity were 2.5-3 folds less likely to be in remission/LDA by composite scores compared with non-obese patients; however, remission/LDA rates were similar based on the patients' opinion. PsA patients with comorbid obesity may have different disease profiles and require individualised management.
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