TNF and type 2 diabetes mellitus: Compared with the NGT group, the T2DM group had significantly higher levels of diastolic blood pressure (DBP), WC, WHR, total cholesterol (TC), LDL-C, TG, fasting plasma glucose (FPG), 2 h postchallenge plasma glucose (2 h PG), HbA1c, FINS, TNF-α, IL-6, and HOMA-IR, whereas the levels of HDL-C were significantly lower in the T2DM group than in the NGT group (P < 0.05 or 0.01).