Table 1

Anthropometric and metabolic parameters of subjects

HispanicAfrican AmericanP value ethnicityP value
sex
Males
(n = 20)Females
(n = 54)Males
(n = 20)Females (n = 44)
Anthropometric parameters
 Age (years)17.1 ± 2.716.8 ± 3.217.7 ± 4.417.2 ± 2.9NSNS
 BMI (kg/m2)34.2 ± 4.335.1 ± 5.536.0 ± 5.334.8 ± 6.7NSNS
Fat depots
 Total fat (%) (n = 99)31.8 ± 3.642.5 ± 4.431.5 ± 7.339.0 ± 5.2<0.00010.01
 SAT (L)13.7 ± 4.714.0 ± 5.315.2 ± 5.215.9 ± 6.2NSNS
 VAT (L)3.4 ± 1.52.2 ± 1.12.1 ± 1.21.2 ± 0.08<0.0001<0.0001
 HFF (%)8.9 ± 6.66.7 ± 4.86.0 ± 4.03.8 ± 1.8<0.001<0.0001
 PFF (%)8.0 ± 4.07.0 ± 3.87.9 ± 3.65.5 ± 1.6<0.0001<0.005
 Plasma FFA (mmol/L)0.80 ± 0.130.78 ± 0.180.76 ± 0.150.69 ± 0.180.04NS
Glucose and insulin homeostasis
 Fasting glucose (mmol/L)5.1 ± 0.35.1 ± 0.45.0 ± 0.55.4 ± 0.40.01NS
 Fasting insulin (pmol/L)127 ± 69152 ± 91137 ± 118127 ± 69NSNS
 AIR (pmol/L × 10 min)10,438 ± 5,5359,208 ± 5,28616,619 ± 10,87213,486 ± 10,8850.001NS
Sg (% per min)0.02 ± 0.010.02 ± 0.020.02 ± 0.010.02 ± 0.01NSNS
 ISI (×10−4min−1/μU/mL)1.6 ± 0.81.8 ± 1.51.5 ± 1.01.4 ± 0.9NSNS
 DI (×10−4min−1)2,047 ± 1,0181,708 ± 7542,696 ± 1,2952,009 ± 1,1890.020.01
  • Data are means ± SD. Fasting glucose and fasting insulin values for both Hispanics and African Americans were tested using a two-way ANOVA, followed by Tukey-Kramer tests.