Table 1—

Anthropometric and metabolic characteristics of the study population

Normal glucose toleranceImpaired glucose toleranceDiabetesP*
n (male/female)94 (73/21)33 (20/13)16 (5/11)
Age (years)28 ± 733 ± 830 ± 50.002
Body fat (%)30 ± 835 ± 640 ± 6<0.0001
Fasting glucose (mmol/l)4.58 ± 0.505.10 ± 0.555.78 ± 0.72<0.0001
2-h glucose (mmol/l)5.54 ± 1.218.79 ± 0.9812.82 ± 1.72<0.0001
Fasting insulin (pmol/l)232 ± 123330 ± 126387 ± 116<0.0001
2-h insulin (pmol/l)846 ± 7262,076 ± 1,3442,466 ± 1,7640.0005
M (mg · kg EMBS−1 · min−1)3.00 ± 1.422.08 ± 0.391.93 ± 0.20<0.0001
EGP-basal (mg · kg EMBS−1 · min−1)1.94 ± 0.241.98 ± 0.272.14 ± 0.210.01
EGP-insulin (mg · kg EMBS−1 · min−1)0.31 ± 0.360.58 ± 0.320.82 ± 0.34<0.0001
Adiponectin (μg/ml)7.05 ± 2.705.44 ± 2.235.12 ± 1.750.0004
  • Data are means ± SD. EMBS, estimated metabolic body size.

  • * ANOVA for statistical differences.