Parameter | Juvenile Idiopathic Arthritis (JIA) (n = 46) (mean ± SD) | Control for JIA (n = 46) (mean ± SD) | P value |
---|---|---|---|
Age (years) | 12.74 ± 3.85 | 12.70 ± 3.80 | 0.956 |
Girls | 12.85 ± 3.96 | 12.79 ± 3.90 | 0.951 |
Boys | 12.42 ± 3.66 | 12.42 ± 3.66 | 1.000 |
Body weight (kg) | 45.39 ± 18.12 | 46.90 ± 15.26 | 0.665 |
Girls | 44.84 ± 18.58 | 45.12 ± 13.08 | 0.811 |
Boys | 46.93 ± 17.45 | 51.97 ± 20.05 | 0.519 |
Height (cm) | 149.33 ± 21.61 | 153.82 ± 19.07 | 0.341 |
Girls | 148.03 ± 21.80 | 153.06 ± 19.02 | 0.425 |
Boys | 153.00 ± 21.54 | 155.96 ± 19.91 | 0.931 |
BMI (kg/m2) | 19.42 ± 4.06 | 19.24 ± 3.06 | 0.827 |
Girls | 19.40 ± 4.23 | 18.77 ± 2.65 | 0.463 |
Boys | 19.47 ± 3.69 | 20.60 ± 3.80 | 0.466 |
Classification systems (ILAR JIA): | |||
Systemic arthritis | 1 | n/a | n/a |
Oligoarthritis | 18 | n/a | n/a |
Polyarthritis | 22 | n/a | n/a |
Psoriatic arthritis | 2 | n/a | n/a |
Enthesitis-related arthritis | 3 | n/a | n/a |
Undifferentiated arthritis | 0 | n/a | n/a |
Duration of the disease: | |||
New diagnosis | 6 | n/a | n/a |
More than 6 months | 40 | n/a | n/a |