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Table 1 Baseline characteristics of all patients with rheumatoid arthritis (RA) responding to 2010 ACR-EULAR criteria included in the ESPOIR cohort and RA patients included in this study

From: Osteoprotegerin and tumor necrosis factor-related apoptosis-inducing ligand as prognostic factors in rheumatoid arthritis: results from the ESPOIR cohort

Characteristics All RA patients (n = 641) Patients in the study (n = 399)
Age (years) 48.1 ± 12.6 48.4 ± 11.9
Female (%) 78 81
Body mass index (kg/m2) 25.1 ± 4.7 25.2 ± 4.6
Rheumatoid factor positivity (%) 55 51
Anti-citrullinated protein antibody positivity (%) 50 45
DAS28(ESR)-4v 5.4 ± 1.2 5.3 ± 1.2
HAQ score 1.0 ± 0.7 1.0 ± 0.7
Total mSharp score 5.29 ± 7.5 3.77 ± 4.4
Steroid use (%) 13 14
  1. Data are mean ± SD or percentage
  2. RA rheumatoid arthritis, DAS28(ESR)-4v Disease Activity Score in 28 joints, calculated with erythrocyte sedimentation rate and four values, HAQ Health Assessment Questionnaire, mSharp score van der Heijde-modified Sharp score