TABLE 1

Demographic and laboratory characteristics among U.S. population ≥50 years

No diabetes
Diabetes
P*Total
No metabolic syndromeMetabolic syndromeNo metabolic syndromeMetabolic syndrome
Percentage of population54.2%28.7%2.3%14.8%
Factor
 % Male45.542.255.748.20.121845.2
 Age (years)63.4 ± 0.465.2 ± 0.668.5 ± 0.865.5 ± 0.6<0.000164.3 ± 0.3
 % Smoker22.319.024.916.10.275720.5
 LDL cholesterol (mg/dl)138.3 ± 1.4143.9 ± 1.7135.3 ± 3.5138.8 ± 2.20.0322139.9 ± 1.1
 HDL cholesterol (mg/dl)56.5 ± 0.644.0 ± 0.758.8 ± 2.242.4 ± 1.1<0.000150.9 ± 0.5
 Triglycerides (mg/dl)119.9 ± 2.5211.9 ± 5.4118.0 ± 6.3231.5 ± 9.0<0.0001162.6 ± 3.3
 Systolic BP mm/Hg129.1 ± 0.8140.3 ± 0.7129.7 ± 3.0139.7 ± 1.1<0.0001133.9 ± 0.6
 Diastolic BP mm/Hg73.9 ± 0.378.3 ± 0.672.3 ± 1.275.0 ± 0.6<0.000175.3 ± 0.3
 BMI25.4 ± 0.229.6 ± 0.324.7 ± 0.830.9 ± 0.4<0.000127.4 ± 0.2
 Insulin sensitivity7.4 ± 0.15.5 ± 0.16.7 ± 0.24.9 ± 0.1<0.00016.5 ± 0.1
 HOMA-IR2.1 ± 0.13.6 ± 0.110.0 ± 3.011.5 ± 0.9<0.00014.1 ± 0.2
  • Data are means ± SE unless otherwise indicated.

  • *

    * Statistical significance of differences across the groups (ANOVA). BP, blood pressure; HOMA-IR, homeostasis model assessment for insulin resistance.