Table 3.

Comparison of blood glucose and insulin in persons with normal HbA1c (<5.7) and prediabetics (HbA1c: 5.7-6.4).

Fasting and Stimulated Blood Glucose and Insulin		HbA1c <5.7 (n=533) n (%)	HbA1c 5.7-6.4 (n=131) n (%)	t value	P
Mean ±SD
Fasting Blood Glucose (mg/dL)		82.0±7.7	83.4±7.7	-1.895	0.059
2 -hour Glucose (mg/dL)		94.1±17.3	99.7±22.9	-3.115	0.002
Fasting Insulin (mIU/L)		8.9±4.6	9.7±4.8	-1.794	0.073
Stimulated Insulin at 2 hours (mIU/L)		79.6 ±61.5	82.5±63.1	-0.480	0.632
Number (%) subjects with normal and higher blood glucose and Insulin				Chi sq	P
Fasting Blood Glucose	<100 mg/dl	525(98.5)	131(100)	1.990	0.158
	≥100mg/dl	8(1.5)	0(0)
2 hour Glucose	<140mg/dl	525(98.5)	125(95.4)	4.831	0.028
	≥140mg/dl	8(1.5)	6(4.6)
Fasting Insulin	<15 mIU/L	477(89.5)	119(90.8)	0.207	0.649
	≥15mIU/L	56(10.5)	12(9.2)
Stimulated Insulin	<80 mIU/L	323(60.6)	81(61.8)	0.067	0.796
	≥80mIU/L	210(39.4)	50(38.2)