Table 1 Demographics of obese and normal-weight girls
| Â | Obese N = 15 | Normal-weight N = 15 | p |
|---|---|---|---|
Age (years) | 14.0 ± 1.9 | 15.9 ± 1.7 | 0.006 |
Bone age (years) | 15.1 ± 1.9 | 15.8 ± 1.8 | ns |
Tanner stage (breasts) | 4.3 ± 1.0 | 4.5 ± 1.1 | ns |
BMI (kg/m2) | 34.4 ± 7.1 | 21.7 ± 1.9 | < 0.0001 |
BMI SDS | 3.7 ± 1.5 | 0.1 ± 0.4 | < 0.0001 |
Subscapular skinfold thickness (mm) | 23.0 ± 7.7 | 12.6 ± 4.0 | 0.0001 |
Triceps skinfold thickness (mm) | 25.9 ± 5.1 | 17.3 ± 4.2 | < 0.0001 |
Waist circumference (umbilicus) (cm) | 105.7 ± 16.8 | 77.7 ± 5.5 | < 0.0001 |
Waist circumference (iliac crest) (cm) | 106.0 ± 16.6 | 76.0 ± 5.3 | < 0.0001 |
Waist to hip ratio | 0.90 ± 0.08 | 0.79 ± 0.05 | 0.0007 |
Waist to height ratio | 0.65 ± 0.09 | 0.48 ± 0.03 | < 0.0001 |
Total lean mass(kg) | 53.4 ± 9.1 | 40.1 ± 4.3 | 0.0001 |
Total fat mass (kg) | 39.3 ± 13.6 | 16.5 ± 3.4 | 0.0001 |
Percent body fat | 40.5 ± 6.0 | 28.0 ± 4.0 | < 0.0001 |
Trunk fat (kg) | 18.0 ± 8.1 | 6.1 ± 2.1 | < 0.0001 |
Extremity fat (kg) | 20.1 ± 6.3 | 9.5 ± 1.7 | < 0.0001 |
Percent trunk fat (%) | 44.6 ± 6.6 | 36.2 ± 6.0 | 0.001 |
Percent extremity fat (%) | 52.4 ± 6.1 | 58.2 ± 5.2 | 0.009 |
Trunk to extremity fat ratio | 0.88 ± 0.25 | 0.64 ± 0.11 | 0.004 |
Subcutaneous adipose tissue (cm2) | 449.4 ± 174.9 | 151.3 ± 54.1 | < 0.0001 |
Visceral adipose tissue (cm2) | 46.8 ± 18.7 | 20.8 ± 8.2 | 0.0003 |
1H-Intramyocellular lipid (soleus) (AU) | 13.6 ± 4.7 | 9.5 ± 5.0 | 0.04 |