Variable | Leiden EAC | BARFOT | ESPOIR | Umeå | Lund |
---|---|---|---|---|---|
Total number of patients | 1244 | 839 | 632 | 459 | 147 |
Age, mean (SD) | 56.6 (15.5) | 56.7 (15.4) | 48.9 (12.2) | 53.9 (14.5) | 50.7 (11.5) |
Female, n (%) | 827 (66.5) | 538 (64.1) | 484 (76.6) | 321 (69.9) | 98 (66.7) |
Symptom durationa (weeks), median (IQR) | 18.3 (9–36) | 26.1 (17–39) | 21.4 (13–33) | 28.0 (16–39) | 43.3 (28–61) |
Smoking at baseline, n (%) | 308 (25.9) | 227 (27.1) | 137 (21.7) | 107 (23.9) | 39 (30.7) |
ACPA+, n (%) | 638 (52.8) | 418 (55.0) | 291 (46.0) | 339 (73.9) | 114 (80.3) |
RF+, n (%) | 715 (58.0) | 453 (59.6) | 344 (54.4) | 362 (79.0) | 115 (81.0) |
Anti-CarP+, n (%) | 474 (42.3) | 280 (34.7) | NA | NA | NA |
ESR (mm/h), median (IQR) | 31 (16–50) | 30 (15–50) | 23 (12–41) | 22 (12–39) | 28 (13–50) |
CRP (mg/L), median (IQR) | 14 (6–35.5) | 19 (7–47.5) | 10 (3–26) | 10 (8–25) | 15 (0–45.5) |
SJC, median (IQR) | 5 (3–10) | 10 (6–14) | 7 (4–11) | 6 (3–10) | 6 (3–10) |
TJC, median (IQR) | 6 (2–11) | 7 (3–12) | 8 (4–14) | 5 (2–10) | 7 (4–11) |