FBL and type 2 diabetes mellitus: The inhibition ELISA with the native immune complex (N-Fib+IgG) showed statistical significance in the two groups of patients, i.e., T2DM (p < 0.001) and T2DM-ATH (p < 0.001) with respect to the HS group, whereas HS and ATH groups showed no significance (p > 0.05) (Figure 4(a)).