Fig. 1
From: Effects of metformin on blood and urine pro-inflammatory mediators in patients with type 2 diabetes
Effect of metformin on cytokines in serum and urine of patients with type 2 diabetes. Serum and urine were collected from 112 metformin (Met.)-treated and 169 non-metformin-treated type 2 diabetic patients for cytokine measurement (a, IL-6; b, IL-10; c, TNF-α; d, MCP-1) by ELISA. Data were shown as Mean ± SD. ** P < 0.01, *** P < 0.001, vs metformin group