JIA: Outcome MeasuresFilling the Gap: Toward a Disease Activity Tool for Systemic Juvenile Idiopathic ArthritisSystemic juvenile idiopathic arthritis (sJIA) accounts for 5%–15% of all children with chronic arthritis seen in…jrheum.orgClinical Juvenile Arthritis Disease Activity Score proves to be a useful tool in treat-to-target therapy in juvenile idiopathic arthritisard.bmj.com