Specifically, IL-15 (p = 0.009), GM-CSF (p = 0.04), IL-1ra (p = 0.009), IL-10 (p = 0.01), PDGF-AB/BB (p = 0.04), and MIP-1b (p = 0.02) were more abundant in synovial fluid of patients with CPP compared to BCP calcifications. This evidence concerns the gene IL15 and central precocious puberty.