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Table 1 Demographics of obese and normal-weight girls

From: Waist to hip ratio and trunk to extremity fat (DXA) are better surrogates for IMCL and for visceral fat respectively than for subcutaneous fat in adolescent girls

  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
  1. Means ± S.D.
  2. Ns: not significant; AU: arbitrary units