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The purpose of the study is to demonstrate the characteristics of lymphoproliferative disorders (LPDs) in patients with rheumatoid arthritis (RA) and risk factors for LPD among RA patients concurrently treated with methotrexate (MTX). Among patients who participated in the Institute of Rheumatology, Rheumatoid Arthritis (IORRA) cohort study in October 2010, past existence of LPD from patient’s report...
Objective To analyze the relationship between the progression of disability and disease activity in patients with rheumatoid arthritis (RA) in daily practice. Methods Patients from an observational cohort, IORRA, who completed surveys during 2009–2011 were eligible. Linear regression of disease activity score 28 (DAS28), Japanese version of Health Assessment Questionnaire (J-HAQ), and EQ-5D from...
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