Insulin Secretory Defect and Insulin Resistance in Isolated Impaired Fasting Glucose and Isolated Impaired Glucose Tolerance
Table 1
Clinical characteristics of subjects.
NFG/NGT
Isolated IFG
Isolated IGT
IFG/IGT
Number (M/F)
2046 (1012/1034)
1510 (1098/412)
396 (210/186)
953 (718/235)
Age (yr)
53.0 ± 12.1
55.5 ± 10.0
57.1 ± 10.8
57.0 ± 9.9
BMI (kg/m2)
22.1 ± 3.0
23.5 ± 3.1
22.9 ± 3.3
24.3 ± 3.3
FPG (mg/dL)
91.0 ± 5.8
106.7 ± 5.6
93.2 ± 5.2
108.8 ± 6.4
2 h PG (mg/dL)
106.3 ± 18.0
112.8 ± 17.4
158.8 ± 15.2
164.0 ± 17.0
Fasting insulin (μU/mL)
4.6 ± 2.2
6.0 ± 3.4
5.1 ± 2.8
7.0 ± 4.3
HbA1c (%)
5.80 ± 0.40
5.83 ± 0.43
5.93 ± 0.41
5.98 ± 0.44
Triglycerides (mg/dL)
91.4 ± 49.2
110.9 ± 61.0
105.5 ± 54.4
132.1 ± 73.9
Total-cholesterol (mg/dL)
208.7 ± 31.2
209.5 ± 31.2
209.5 ± 28.7
213.6 ± 31.5
HDL-cholesterol (mg/dL)
65.1 ± 16.1
61.9 ± 16.8
62.5 ± 16.0
57.6 ± 15.6
Clinical characteristics of subjects grouping by stage of glucose tolerance are listed. Data are mean ± SD. and in ANOVA between isolated IGT and isolated IFG.