Baseline characteristics of patients with RA (n = 87). No significant differences were seen between responders and nonresponders at baseline. Values are median (interquartile range) or n (%) unless otherwise specified.
| Characteristics | Total | Responders | Nonresponders |
|---|---|---|---|
| Female/male, n | 74/13 | 59/10 | 15/3 |
| Age, yrs | 40 (33–50) | 40 (33–48) | 40 (34–52) |
| TJC28 | 10 (7–14) | 10 (8–14) | 10 (7–13) |
| SJC28 | 7 (5–11) | 7 (5–10.5) | 9 (5–12) |
| HAQ | 1.5 (1.0–1.9) | 1.5 (1–1.97) | 1.5 (1.1–1.8) |
| CRP, mg/dl | 2.2 (0.9–4.8) | 2.54 (1.02–5.1) | 1.9 (0.6–3.6) |
| DAS28-CRP | 4.43 (4.1–5.1) | 4.52 (4.1–5.11) | 4.31 (3.9–4.53) |
| ESR, Westergren method | 56.5 (37–85) | 56 (38–85) | 58 (35–86) |
| DAS28-ESR | 5.93 (5.4–6.5) | 5.95 (5.34–6.48) | 5.92 (5.63–6.58) |
| IgM-RF–positive | 71 (82) | 56 (81) | 15 (83) |
| ACPA-positive | 69 (79) | 54 (79) | 15 (82) |
RA: rheumatoid arthritis; TJC28: tender joint count at 28 joints; SJC28: swollen joint count at 28 joints; HAQ: Health Assessment Questionnaire; CRP: C-reactive protein; DAS28: Disease Activity Score at 28 joints; ESR: erythrocyte sedimentation rate; IgM: immunoglobulin M; RF: rheumatoid factor; ACPA: anticitrullinated protein antibodies.