CHGB and type 2 diabetes mellitus: The subgroup of type 2 diabetes patients with ICT (n = 34, CgB: 84.87 ± 40.37 ng/mL) have significantly lower serum CgB levels (p = 0.0283; Fig. 1c), compared to those patients, who are treated with any other regimens of antidiabetic therapies (n = 66, CgB: 107.38 ± 59.74 ng/mL).