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Table 1 Baseline characteristics of the 157 RA patients in sustained DAS28-CRP4 remission (at baseline and 1 year)

From: Pain persists in DAS28 rheumatoid arthritis remission but not in ACR/EULAR remission: a longitudinal observational study

Clinical characteristics Values
Demographic variables  
   Age, years, mean (SD) 51.8 (14.0)
   Female (%) 135 (86.0)
   Caucasian (%) 145 (93.6)
   Married/significant other (%) 112 (71.3)
   Lives alone (%) 19 (14.1)
   Ever smoker (%) 58 (39.2)
   Body mass index, kg/m2, mean (SD) 25.0 (4.4)
   Modified Charlson index (range, 0-23) 1.0 (0.0, 2.0)
Disease variables  
   Disease duration, years 6.0 (2.0, 17.0)
   Rheumatoid Factor/Anti-CCP positive (%) 113 (72.4)
   Tender-joint count 0.0 (0.0, 0.0)
   Swollen-joint count 0.0 (0.0, 2.0)
   C-reactive protein, mg/L 1.2 (0.5, 2.7)
   Patient global assessment (range, 0-10) 1.0 (0.0, 2.0)
   DAS28-CRP4, mean (SD) 1.8 (0.4)
   Total Sharp score (range, 0-448) 4.0 (0.0, 29.0)
   Multi-Dimensional Health Assessment Function (range, 0-10) 0.3 (0.0-1.0)
   Multi-Dimensional Health Assessment Pain (range, 0-10) 1.0 (0.5 2.5)
Psychiatric distress/Sleep variables  
   Mental Health Index-5 (range, 0-100) 80.0 (70.0, 90.0)
   Multi-Dimensional Health Assessment Sleep (range, 0-3) 1.0 (0.0, 1.0)
   Multi-Dimensional Health Assessment Fatigue (range, 0-10) 2.5 (1.0, 5.0)
   Arthritis Self-efficacy (range, 10-100) 82.5 (70.0, 90.0)
Medications  
   Prednisone (%) 31 (19.8)
   MTX (%) 82 (52.2)
   bDMARD (%) 71 (45.2)
   Non-MTX, non-bDMARD (%) 22 (14.0)
   Combination MTX and bDMARD (%) 36 (22.9)
   Combination MTX and non-MTX, non-bDMARD (%) 4 (2.6)
   Combination bDMARD and non-MTX, non-bDMARD (%) 7 (4.5)
   Nonsteroidal anti-inflammatory drugs (%) 80 (51.0)
   Opioids (%) 8 (5.1)
   Other pain medications (%) 16 (10.2)
  1. anti-CCP, anti-cyclic citrullinated peptide; bDMARD, biologic DMARD; DAS28-CRP4, disease activity score in 28 joints calculated by using CRP and patient global assessment; MTX, methotrexate; RA, rheumatoid arthritis; SD, standard deviation. Continuous variables are listed as medians (interquartile ranges), and dichotomous variables are listed as numbers (%), unless otherwise noted.