Table 2. Statistical significance of differences by test, dose, and group (ANOVA for doubly repeated measures)^*.

Variable	Test	Dose	Group	Test x Dose	Test x Group	Group x Dose
Fasting glucose	ns	ns	0.0001	ns	ns	ns
Mean glucose	ns	0.0001	0.0001	ns	ns	0.0001
Total insulin secretion	0.0001	0.0001	ns	ns	0.004	ns
Glucose sensitivity	0.0001	0.005	0.0001	0.013	0.005	ns
Mean potentiation	ns	0.0001	ns	ns	ns	0.015
Mean GLP-1	0.0001	0.0001	ns	0.003	ns	ns
Mean GIP	0.047	ns	ns	ns	ns	ns

^*Test = OGTT vs IIGT; Dose = 25 vs 75 vs 125 g of glucose orally; Group = NGT vs T2D.