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Table 1 Clinical and demographic data for patients with rheumatoid arthritis (RA)

From: Immunopathologic characterization of ultrasound-defined synovitis in rheumatoid arthritis patients in clinical remission

  Active RA (n = 22) Remission RA (n = 20) P value
Female, n (%) 16 (72.7) 15 (75) 0.867
Age, years, mean (SD) 58.8 (9.6) 53.7 (10.8) 0.346
Disease duration, years, mean (SD) 12.5 (9.8) 8.5 (8.2) 0.001
Rheumatoid factor+, n (%) 14 (63.6) 11 (55) 0.569
ACPA+, n (%) 15 (68.1) 18 (90) 0.085
DAS28-ESR, mean (SD) 5.41 (1.30) 1.92 (0.32) 0.001
Biological therapy, n (%) 14 (63.6) 10 (50) 0.231
Prednisone, n (%) 18 (81.8) 2 (10) 0.0001
DMARDs, n (%) 20 (90.9) 16 (80) 0.881
Biopsy location    
MCP, n (%) 0 (0) 3(15)
Wrist, n (%) 4 (18.1) 13 (65)
Knee, n (%) 18 (81.8) 4 (20)
PD, n (%) 22 (100) 20 (100)  
PD ≥2, n (%) 22(100) 3 (15)
SH ≥2, n (%) 22 (100) 16 (80)  
SH ≥2 + PD, n (%) 22 (100) 16 (80)  
  1. SD standard deviation, ACPA anti-cyclic citrullinated peptide/protein antibody, DAS28 28-joint Disease Activity Score, ESR erythrocyte sedimentation rate, DMARD disease-modifying antirheumatic drug, MCP metacarpophalangeal joint, PD power Doppler, SH synovial hypertrophy