GCG and type 2 diabetes mellitus: Mean baseline glucagon differed between the four groups (IFG 10.16 ± 3.89 vs. IGT 16.57 ± 6.56 vs. IGT+IFG 14.75 ± 7.18 vs. T2D 18.38 ± 3.08 pmol/L) as did fasting glucagon range (IGT 8.4–28.97 vs. IFG 4.6–17.06 vs. IGT+IFG 8–36.98 vs. T2D 15.7–21.7 pmol/L).