Disease burden in rheumatology routine care setting is similar in osteoarthritis (OA) and rheumatoid arthritis (RA) at first visit but significantly greater in OA at a 6-month follow-up visit

Purpose: Osteoarthritis commonly is regarded as less severe and less debilitating than RA. However, limited data are available for direct comparison of OA versus RA, in large part because different measures traditionally have been used to assess patients, primarily a HAQ (Health Assessment Questionnaire) in RA and WOMAC (Western Ontario and McMaster Universities Osteoarthritis Index) in OA. RAPID3 (Routine Assessment of Patient Index Data) on an...