Table 2—

Markers of insulin resistance and glucose tolerance in subjects with NGT, IGT, and type 2 diabetes

NGTIGTType 2 diabetesP
Men
n815235397
 Fasting glucose (mg/dl)92.8 ± 8.799.1 ± 10.2146.9 ± 53.70.0001
 Fasting insulin (pmol/l)7.55 ± 4.89.1 ± 5.60.0001
 2-h glucose (mg/dl)103.7 ± 21.1161.8 ± 15.70.0001
 HbA1c (%)5.9 ± 0.526.1 ± 0.67.6 ± 1.50.0001
Women
n823365329
 Fasting glucose (mg/dl)89.8 ± 8.594.6 ± 9.8146.9 ± 55.10.0001
 Fasting insulin (pmol/l)7.5 ± 4.49.2 ± 6.00.0001
 2-h glucose (mg/dl)106 ± 20.8161.8 ± 160.0001
 HbA1c (%)5.9 ± 0.56.0 ± 0.67.6 ± 1.60.0001
  • Data are means ± SD. P values reflect differences across the three groups determined by ANOVA. Data for fasting insulin and 2-h glucose are not reported in subjects with type 2 diabetes (see research design and methods).