TY - JOUR T1 - Predictors of Biological Antirheumatic Drug Discontinuation in Patients with Rheumatoid Arthritis while in Remission JF - The Journal of Rheumatology JO - J Rheumatol SP - 1253 LP - 1253 DO - 10.3899/jrheum.151462 VL - 43 IS - 6 AU - TOMOYUKI KAWADA Y1 - 2016/06/01 UR - http://www.jrheum.org/content/43/6/1253.1.abstract N2 - To the Editor:I read the paper by Yoshida, et al1 involving 2 cohort studies from the United States and Japan to determine the predictors of discontinuation of biological disease-modifying antirheumatic drugs (bDMARD) in patients with rheumatoid arthritis (RA) while in remission over 5 years, defined by the Clinical Disease Activity Index (CDAI) ≤ 2.8. The authors used Cox regression models, and the percentages of discontinuation of bDMARD were 10.0% and 11.8% from 6263 patients in the United States and … Address correspondence to Dr. T. Kawada, Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo 113-8602, Japan. E-mail: kawada{at}nms.ac.jp ER -