Table 1 Baseline characteristics of the study population
|  | JIA patients treated with MTX (n = 15) | JIA patients treated with MTX/ADA (n = 26) | Healthy controls (n = 22) |
|---|---|---|---|
Age, mean +/- SD (years) | 7.12+/-4.81 | 7.47+/-4.37 | 12.40+/-4.02 |
Males, no. (%) | 5 (33) | 12 (46) | 13 (59) |
Median duration of JIA, years (range) | 2.00 (0.25–13.83) | 3.80 (0.91-11) | - |
Median duration of the start of therapy, years (range) | 2.00 (0.25–13.83) | 1.88 (025-7.58) | - |
JIA subtype - oligo JIA, no. (%) - poly JIA, no. (%) | 12 (80) 3 (20) | 13 (50) 13 (50) | - |