Table 5 Correlations between the glomerular hyperfiltration and triceps skinfold, subscapular skinfold by different age and BMI in boys

Age (years)

  < 13

1.069 (1.005, 1.137) 0.0349

1.114 (1.044, 1.188) 0.0010

  >  = 13, < 16

1.052 (1.018, 1.088) 0.0025

1.058 (1.019, 1.098) 0.0029

  >  = 16, < 17.99

1.077 (1.044, 1.112) < 0.0001

1.035 (1.000, 1.071) 0.0518

BMI (kg/m²)

  < 20

1.109 (1.013, 1.213) 0.0244

1.166 (1.018, 1.334) 0.0262

  >  = 20, < 30

1.087 (1.047, 1.128) < 0.0001

1.048 (1.008, 1.089) 0.0178

  >  = 30

1.125 (1.035, 1.224) 0.0056

1.114 (1.020, 1.217) 0.0162