Compared with that of the normal VD group, the plasma concentration of FPG (t = 3.01, P< 0.01), PBG (t = 2.75, P< 0.01), IL-6 (t = 4.64, P< 0.01), and sTREM1 (t = 2.08, P = 0.04) were significantly increased in T2DM patients with VDI group. Here, IL6 is linked to type 2 diabetes mellitus.