Research Article

Low Serum IGF-1 in Boys with Recent Onset of Juvenile Idiopathic Arthritis

Figure 1

(a) IGF-1 serum levels among all control children (), all patients with early JIA (), and all patients with established JIA (). (b) IGF-1 serum levels among boys and girls with early JIA ( and , respectively), established JIA ( and , respectively), and in age-matched controls ( and , respectively). Horizontal bars indicate means. Data were analyzed using a two-way ANOVA with the factors sex, disease, and their interaction followed by Tukey’s multiple comparisons test. and .