Demographic, clinical and treatment characteristics of the carra registry systemic JIA cohort

Systemic Juvenile Idiopathic Arthritis (sJIA) is a disease with systemic inflammatory features as well as arthritis. Before biologic agents were available, a significant proportion of affected children suffered from poor outcomes. The Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry is a rich resource of information about pediatric rheumatic diseases including sJIA.