EGFR and type 2 diabetes mellitus: Among the T2DM patients, after adjustments for age and sex (Model 1), the serum soluble EGFR levels were positively correlated with the FBG level (P = 0.002), HOMA-IR (P = 0.030), HbA1c level (P < 0.001), T-Chol level (P < 0.001), HDL-Chol level (P = 0.047), TG level (P = 0.041) and the FIB-4 index (P = 0.042) (Table 3).