TY - JOUR T1 - Dr. Tebib replies JF - The Journal of Rheumatology JO - J Rheumatol SP - 469 LP - 469 DO - 10.3899/jrheum.090976 VL - 37 IS - 2 AU - JACQUES TEBIB Y1 - 2010/02/01 UR - http://www.jrheum.org/content/37/2/469.1.abstract N2 - I thank Dr. Toms and colleagues for bringing more discussion to the difficult problem of overassessing disease activity in RA patients also affected with fibromyalgia (FM) when a composite index is used such as the 28-joint Disease Activity Score (DAS-28). Their experience presents a lot of similarities to ours, such as the FM prevalence in a rheumatoid arthritis (RA) outpatient population that is estimated around 25% in both of our experiences, which stresses the high frequency of this clinical situation. Likewise, our results of the assessment in terms of tender, swollen joints and DAS are remarkably close and these results might draw attention when preparing a trial that uses a composite … Address correspondence to Dr. Tebib; E-mail: tebib{at}aol.com ER -