Table 1: Demographic and clinical characteristics of patients with sJIA included in the study.

ParameterValue median (25; 75)
( )

Girls/boys35/40
Age, years8.8 (6; 12)
Disease duration, years3.2 (1.9; 5.2)
The number of joints with active arthritis8 (4; 17)
The number of joints with limitation of motion9 (3; 17)
CHAQ index of functional disability1.25 (0.75; 2.0)
The number of systemic manifestations per one patient3.2 (2.5; 4)
ESR, mm/h52 (22; 62)
Platelets, ×109/L650 (495; 800)
Hemoglobin, g/L89 (80; 98)
CRP, mg/L78 (40; 98)