TABLE 2

Descriptive statistics by Tanner stage

VariableTanner ITanner IITanner IIITanner IVTanner V
Boys
n905219107
 Age (years)9.3 ± 1.511.0 ± 1.312.0 ± 0.913.3 ± 1.014.1 ± 0.8
 BMI (kg/m2)19.3 ± 3.623.2 ± 6.425.4 ± 5.824.6 ± 5.624.5 ± 4.2
 Total fat (kg)9.2 ± 6.7*16.8 ± 12.121.4 ± 14.617.4 ± 14.616.7 ± 12.5
SI (× 10−5 · min−1 · pmol−1 · l−1)11.8 ± 6.37.7 ± 5.75.3 ± 3.27.2 ± 5.78.5 ± 7.8
 Fasting insulin (pmol/l)67.2 ± 34.287.0 ± 48.0106.8 ± 63.080.4 ± 16.859.4 ± 28.8
 AIRg (pmol/l × 10 min)6,174 ± 7,1769,780 ± 8,46016,050 ± 23,46610,944 ± 12,3247,314 ± 5,202
Girls
n7367623018
 Age (years)9.2 ± 1.610.9 ± 1.312.3 ± 1.1113.5 ± 1.114.3 ± 1.0
 BMI (kg/m2)19.0 ± 4.721.7 ± 5.822.0 ± 4.723.4 ± 5.625.5 ± 6.1
 Total fat (kg)10.1 ± 7.615.2 ± 10.916.8 ± 10.120.2 ± 11.023.9 ± 11.9
SI (× 10−5 · min−1 · pmol−1 · l−1)10.5 ± 7.27.5 ± 5.56.3 ± 4.56.8 ± 3.85.8 ± 3.5
 Fasting insulin (pmol/l)70.2 ± 40.297.2 ± 45.097.2 ± 52.888.2 ± 44.481.0 ± 33.6
 AIRg (pmol/l × 10 min)6,288 ± 4,5246,948 ± 4,7466,612 ± 4,9087,110 ± 3,5105,514 ± 3,132
  • *

    * n = 88;

  • n = 6;

  • n = 66.