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Table 1 Baseline characteristics of the Biomarker Study population

From: Serological identification of fast progressors of structural damage with rheumatoid arthritis

N 585  
% Women 83%  
  Mean SD
Age (years) 52.2 12.3
BMI (kg/m2) 27.4 6.1
Disease duration (years) 9.4 8.1
Disease parameters   
HAQ 1.51 0.62
VAS pain 54.4 22.1
TJC (n) 28 16
SJC (n) 16 9
DAS28-ESR 6.5 0.93
JSN 11.6 14.4
mTSS 28.4 29.6
ERN 16.6 16.3
Serum biomarkers
CRP (mg/L) 2.13 2.57
C1M (nmol/L) 109 72.0
  1. BMI, Body mass index; CRP, C-reactive protein; DAS28-ESR, Disease activity score 28-ESR; ERN, Erosion score; HAQ, Health assessment questionnaire; JSN, joint space narrowing; mTSS, modified total Sharp score; SJC, Swollen joint count; TJC, Tender joint count; VAS, Visual analog scale of pain