TABLE 2

Characteristics of normal glucose-tolerant individuals who underwent the hyperinsulinemic-euglycemic clamp (all individuals)

TTGT + GGP
n16049
Male/female (n)80/8022/270.53*
Age (years)32 ± 132 ± 20.63
BMI (kg/m2)24.1 ± 0.325.5 ± 0.70.02
Waist-hip ratio0.83 ± 0.010.85 ± 0.010.06
Body fat (%)23 ± 125 ± 10.06
Fasting serum glucose (mmol/l)4.72 ± 0.044.80 ± 0.070.29
Glucose 120 min (mmol/l, OGTT)5.13 ± 0.105.33 ± 0.150.29
Fasting serum insulin (pmol/l)41 ± 252 ± 50.04
Insulin 120 min (pmol/l, OGTT)223 ± 15326 ± 370.02
Insulin sensitivity index (μmol · kg−1 · min−1 · [pmol/l]−1)0.112 ± 0.0050.089 ± 0.0070.02 (0.13)
  • *

    * χ2 test;

  • adjusted for BMI and % body fat.