Prevalence of autoantibodies in patients with juvenile idiopathic arthritis: results from the German inception cohort ICON-JIA
Abstract Background An association of different autoimmune diseases is suspected.In juvenile idiopathic arthritis (JIA), only few and partially conflicting data on the co-existence of other autoimmune disorders are available.The prevalence of autoantibodies in patients with JIA in Germany is not known.Methods Samples from 499 patients (median age a