INS and type 2 diabetes mellitus: In the previous study, the parameter corresponding to insulin secretion in the NGT and borderline type subjects was significantly higher than that in the T2DM subjects; however, the parameter related to insulin secretion did not show a significant difference between the NGT, borderline type, and T2DM subjects in this study, possibly because previously defined insulin secretion30 is described by insulin secretion and delivery in this model, and the parameters related to insulin secretion and delivery (α, β, h, m, Xb, and kratio) are too diversified.