FGF21 and type 2 diabetes mellitus: Table 2 shows that the serum level of FGF-21 (adjusted odds ratio (aOR): 1.005, 95% confidence interval (C.I.): 1.002–1.009, p = 0.003), SBP (aOR: 1.004, 95% C.I.: 1.004–1.052, p = 0.023) and eGFR (aOR: 0.968, 95% C.I.: 0.947–0.990, p = 0.004) could be independent predictors for the diagnosis of AS in the T2DM patients by multivariate stepwise logistic regression analysis.