Table 1 Baseline characteristics of the study population (n = 165)
Characteristic | Value |
|---|---|
No. female (%) | 95 (57.6) |
Median age, years (range) | 58.8 (19–85) |
Median duration of symptoms, months (range) | 3 (1–12) |
No. with disease duration of 3 months or less (%) | 87 (52.7) |
Median number of joints with synovitis (range) | 10 (3–58) |
No. fulfilling at least four ACR criteria for RA (%) | 133 (80.6) |
Mean M-HAQ score (range) | 0.93 (0–2.75) |
No. with M-HAQ score ≥ 1.0 (%) | 77 (47.0) |
Median DAS28-3 score (range) | 5.01 (2.09–7.85) |
No. with RF ≥ 40 IU/mL (%) | 68 (41.2) |
No. with anti-CCP ≥ 20 U/mL; positive (%) | 53 (33.1) |
No. with positive anti-Sa antibodies (%) | 46 (28.0) |
No. with CRP ≥ 8.0 mg/L (%) | 119 (72.6) |
No. with at least one HLA-DR 'shared epitope' (%) | 77 (47.0) |
No. with two HLA-DR 'shared epitopes' (%) | 22 (13.4) |
Median SvH score (range) | 4 (0–54) |
No. with total SvH score ≥ 10 (%) | 31 (18.8) |
No. with erosion SvH score ≥ 5 (%) | 30 (18.2) |