Fig. 5From: A cross-sectional cohort study of the activity and turnover of neutrophil granulocytes in juvenile idiopathic arthritisSerum levels of myeloperoxidase (MPO) in 16 healthy children and 69 children with juvenile idiopathic arthritis (JIA). Thirty-seven of the 69 children with JIA were on no medical treatment, and 32 of 69 were on medical treatment. The Kruskal-Wallis test was used, as well as a post-hoc analysis (Dunn): healthy vs. no treatment p = 0.01 and healthy vs. treatment p < 0.05Back to article page