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Table 1 Baseline characteristics in 99 patients with early rheumatoid arthritis

From: Serial determination of cyclic citrullinated peptide autoantibodies predicted five-year radiological outcomes in a prospective cohort of patients with early rheumatoid arthritis

Female (%) 72
Mean age (years) 50.7
Mean disease duration (months) 4.3
Pain (100 mm VAS) 54.4
Morning stiffness (minutes) 84
Ritchie index 17.8
Tendon joint count 21.8
Swollen joint count 8.4
Nodules (%) 6
ESR (mm/1st h) 38.4
CRP (mg/l) 32
IgM RF positive (%) 71
DAS 44 4.1
HLA DRB1*04 (%)a 53
HLA DRB1*01 (%)b 15.5
  1. aDRB1*04 includes DRB1*0401, *0404, *0405, and *0408. bDRB1*01 includes DRB1*0101 and *0102. CRP, C-reactive protein; DAS, disease activity score; ESR, erythrocyte sedimentation rate; IgM RF, immunoglobulin M rheumatoid factor; VAS, visual analog scale for pain.