CCL11 and type 2 diabetes mellitus: In addition, CCL11 concentrations were compared between 621 T2DM patients and 793 controls, and the results showed that T2DM patients had higher concentrations of CCL11 than the controls (SMD=0.77; 95% CI: 0.20 - 1.34; Figure 1), but with significant heterogeneity (I2=95%).