Baseline characteristics of the study population with juvenile idiopathic arthritis (JIA). Data represent number of subjects (n) or mean ± SD or median (interquartile range).
| Characteristic | |
|---|---|
| No. | 30 |
| Sex, M/F | 8/22 |
| Age at onset of JIA, yrs | 7.26 ± 4.66 |
| Disease duration, yrs (IQR) | 2.50 (1.17–5.29) |
| Methotrexate treatment duration, yrs (IQR) | 1.00 (0.48–2.65) |
| JIA subsets | |
| Polyarticular | 15 |
| Oligoarticular extended | 7 |
| Systemic onset with polyarticular course | 2 |
| Psoriatic | 3 |
| Enthesitis-related arthritis | 3 |
IQR: interquartile range.