Determing an “autoimmune” phenotype in systemic JIA

* Correspondence: haas.johannes-peter@rummelsberger.net Deutsches Zentrum fur Kinderund Jugendrheumatologie, GarmischPartenkirchen, Germany SoJIA-Patients 35 Observation (month) mean 69 (range 1-262) n % n % Autoantibodies pos neg 9 25,7 26 74,3 ANA 6 17,1 RF 2 5,7 ANCA 3 8,6 percentage for each group male 3 33,3 11 42,3 female 6 66,6 15 57,7 onset age (years) 6,03 3,54 relapses 4 3,6 joints at onset 2,1 3,1 joints when AK pos 7 MAS 1 1 Carditis 6 66,7 13 50 SAA 2 of 4 8 of 12 Amyloidosis 1 1 Fischer et al. Pediatric Rheumatology 2011, 9(Suppl 1):P150 http://www.ped-rheum.com/content/9/S1/P150