Fig. 2From: Increased serum concentrations of IL-1 beta, IL-21 and Th17 cells in overweight patients with rheumatoid arthritisRelationship between body mass index (BMI) and serum cytokines in patients with rheumatoid arthritis (RA). Relationships were evaluated by Spearman’s correlation coefficient. Serum samples for cytokine measurement were obtained from 19 patients with RA. *P < 0.05. IFN interferon, GM-CSF granulocyte macrophage-colony stimulating factorBack to article page