Characteristics | Patients with Early Arthritis, n = 154 |
---|---|
Female, n (%) | 90 (58) |
Age, yrs, mean (SD) | 49 (14) |
IgM-RF–positive, n (%)* | 39 (25) |
ACPA-positive, n (%)** | 35 (23) |
IgM-RF- and ACPA-positive, n (%) | 28 (18) |
ESR, mm/h | 25 (11–43) |
CRP, mg/l | 9.3 (3.0–28.3) |
VAS pain biopsied joint, mm | 59 (27–81) |
Swelling biopsied joint, score 0–3 | 2 (1–2) |
DAS28 | 4.4 (3.2–5.4) |
Disease duration, mos | 3 (1–8) |
↵* Missing for 2 patients.
↵** Missing for 3 patients. IQR: interquartile range; IgM-RF: immunoglobulin M rheumatoid factor; ACPA: anticitrullinated protein antibodies; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; VAS: visual analog scale (range 0–100 mm); DAS28: Disease Activity Score at 28 joints.