How Does Endothelial Permeability Affect the Development of Juvenile Idiopathic Arthritis? Vascular Endothelial Cadherin as a Promising New Tool Helpful in the Diagnostic Process

Table 1

General characteristics of the study group. JIA: juvenile idiopathic arthritis; RF: rheumatoid factor; ERA: enthesitis-related arthritis; JADAS27: Juvenile Arthritis Disease Activity Score 27-Joint Reduced Count.

	1^st time point ()	2^nd time point ()
JIA subtypes, (%)
Oligoarticular JIA	54 (67.5%)	35 (66.0%)
RF-negative poly-JIA	11 (13.75%)	9 (17.0%)
RF-positive poly-JIA	1 (1.25%)	1 (1.9%)
ERA	14 (17.5%)	8 (15.1%)
Reason of admission, (%)
New diagnosis of JIA	16 (20.0%)	—
Disease flare	26 (32.5%)	11 (20.8%)
Continuation of biological treatment	9 (11.25%)	12 (22.6%)
Check-up visit	29 (36.25%)	30 (56.6%)
Disease activity level (according to JADAS27), (%)
Clinically inactive disease	19 (23.75%)	16 (30.2%)
Minimal disease activity	7 (8.75%)	12 (22.65%)
Parent-acceptable symptom state	5 (6.25%)	6 (11.3%)
High disease activity	49 (61.25%)	19 (35.85%)