TABLE 2

Relation of age- and sex-adjusted HOMA-IR and ISI0,120 to features of the metabolic syndrome and insulin levels

HOMA-IRISI0,120
LevelSpearman rank correlation coefficientLevelSpearman rank correlation coefficient
n2,8982,898
Systolic blood pressure (mmHg)
    <1306.4 ± 0.060.3627.5 ± 0.2−0.34
    ≥1307.9 ± 0.0924.7 ± 0.2
Diastolic blood pressure (mmHg)
    <856.7 ± 0.060.3026.9 ± 0.1−0.21
    ≥858.2 ± 1.024.1 ± 0.3
HDL cholesterol (mg/dl)
    >506.0 ± 0.1−0.4028.1 ± 0.20.20
    40–507.2 ± 0.125.9 ± 0.2
    <408.4 ± 0.123.8 ± 0.3
Triglycerides (mg/dl)
    <1506.3 ± 0.10.4327.6 ± 0.1−0.36
    ≥1508.2 ± 0.124.0 ± 0.2
Waist circumference (in)
    <355.6 ± 0.10.5328.9 ± 0.2−0.31
    35–406.9 ± 0.126.0 ± 0.2
    >409.2 ± 0.123.2 ± 0.2
Fasting plasma glucose (mg/dl)
    <1106.7 ± 0.10.5626.9 ± 0.1−0.46
    110–12610.3 ± 0.220.2 ± 0.5
Metabolic syndrome
    No6.2 ± 0.127.7 ± 0.1
    Yes9.3 ± 0.122.5 ± 0.2
Fasting serum insulin (μU/ml)
    <90th percentile6.2 ± 0.040.9527.1 ± 0.1−0.42
    ≥90th percentile13.3 ± 0.120.7 ± 0.3
  • Data are means ± SE. Spearman rank correlation coefficients describe the relation between HOMA-IR or ISI0,120 and metabolic syndrome risk factor levels. P < 0.0001 for all correlation coefficients.