Table 1.
Baseline characteristics of systemic juvenile idiopathic arthritis patients at the time of serum sampling
| Characteristics | Systemic n = 29 (16) | Arthritis n = 108 (36) | Inactive n = 27 (14) |
|---|---|---|---|
| Female (% of patients) | 56.3 | 61.1 | 50.0 |
| Age (years) | 6.0 (4.75) | 7.0 (6.0) | 6.0 (8.3) |
| Active joint | 6 (11) | 2 (4) | 0 (0) |
| PGA | 4.0 (5.0) | 1.5 (2.0) | 0 (0) |
| PtGA | 3.8 (6.6) | 0.4 (3.0) | 0 (0) |
| Haematocrit (%) | 33.2 (5.3) | 36.2 (3.7) | 37.4 (3.8) |
| Platelet × 103 cells/ml | 483 (227) | 380 (152) | 343 (131) |
| ESR (mm/h) | 65 (52) | 19 (33) | 9 (9) |
| Prednisolone (%) | 22 (76.0) | 55 (51.0) | 3 (11.1) |
| Methotrexate (%) | 17 (58.6) | 90 (83.3) | 4 (14.8) |
ESR – erythrocyte sedimentation rate (mm/h), PGA – physician’s global assessment score (scale 0-10), PtGA – patient’s or parent’s global assessment score (scale 0-10), data are expressed as the median (interquartile range) or the number (%) of samples