Comparisons between the abnormal and normal glucose tolerance groups

VariablesAGT (n = 150)Normal glucose tolerance (n = 729)P-value
Age (years)13.3 ± 2.612.1 ± 2.8< 0.001b*
Age group (%)0.001a*
  6–11 years32.046.5
  12–18 years68.053.5
Sex∞ (%)< 0.001a*
  Male13.786.3
  Female23.077.0
AN@ (%)68.753.4< 0.001a*
Body weight (kg)72.7 ± 16.666.6 ± 18.7< 0.001b*
Body height (cm)156.8 ± 10.6152.5 ± 14.5< 0.001b*
BMI (kg/m2)29.2 ± 4.328.0 ± 3.9< 0.001b*
  z-score2.3 ± 0.42.2 ± 0.40.790b
Mean systolic BP (mmHg)119.1 ± 10.4115.8 ± 9.6< 0.001b*
  z-score0.9 ± 0.90.8 ± 0.90.460b
Mean diastolic BP (mmHg)63.6 ± 7.561.2 ± 7.2< 0.001b*
  z-score–0.2 ± 0.8–0.3 ± 0.90.072b
Fasting glucose (mmol/L)5.3 ± 0.74.9 ± 0.3< 0.001b*
Postprandial glucose (mmol/L)8.7 ± 1.76.0 ± 0.9< 0.001b*
Fasting insulin (μU/mL)26.1 ± 15.817.1 ± 11.4< 0.001b*
HOMA-IR6.3 ± 4.63.7 ± 2.6< 0.001b*
HOMA-IR ≥ 4.1 (%)65.732.5< 0.001a*
ALT (units/L)44.0 ± 56.532.3 ± 37.70.002b*
Total cholesterol (mmol/L)4.8 ± 0.94.6 ± 0.80.003b*
HDL (mmol/L)1.2 ± 0.31.3 ± 0.40.010b*
LDL (mmol/L)2.8 ± 0.82.6 ± 0.80.005b*
TG (mmol/L)1.6 ± 0.71.4 ± 0.7< 0.001b*

∞ Percentage of glucose tolerance status within sex group; @ AN status was available for analysis in 869 children; a chi-square test, expressed in median (IQR); b student’s t-test, expressed in mean ± SD; * statistically significant with P < 0.05. IQR: interquartile range