Table 1

Anthropometric and metabolic features of young Japanese women grouped by tertile of AT-IR index

AT-IR index
Age (years)20.8±1.320.7±1.220.7±1
BMI (kg/m2)20.6±1.520.6±1.620.5±1.3
Waist (cm)71.6±5.171.5±4.971.2±5
Trunk/leg fat ratio1.24±0.181.25±0.221.34±0.29
% body fat (%)28±4.727.1±4.528.2±4.4
ASM index (kg/m2)5.9±0.56±0.45.8±0.4
FMI (kg/m2)5.7±1.35.5±1.35.7±1.2
%ASM (%)28.8±2.129.1±1.928.5±2
Leptin (ng/mL)7.5±3.38.4±3.58.9±3.7
Adiponectin (mg/L)11.7±411.8±4.611.3±4.2
Fasting glucose (mg/dL)80±781±583±6
2-hour glucose (mg/dL)89±2096±2594±25
Fasting insulin (μU/mL)3.5±1.45.5±1.49±3.2†‡§
  • Mean±SD: n=55 or 56, except for 2-hour glucose: n=40, 34 and 25 in low, median and high tertile, respectively.

  • *P<0.05 or less by Bonferroni's multiple comparison procedure.

  • †Low versus median.

  • ‡Low versus high.

  • §Median versus high.

  • ASM, appendicular skeletal muscle mass; AT-IR, adipose tissue-insulin resistance; BMI, body mass index; % body fat, percentage body fat; FMI, fat mass index; HOMA-IR, homeostasis model assessment-insulin resistance.