Table 3

Prevalence of components of metabolic syndrome based on insulin levels

ComponentsLow (n=110)Middle (n=107)High (n=104)P value for Cochran–
Armitage trend test
n(%)n(%)n(%)
High blood pressure*56 (50.9)63 (58.9)78 (75)0.0003
High blood glucose†8 (7.3)10 (9.3)25 (24.0)0.0004
Low HDL-C‡15 (13.6)19 (17.8)43 (41.3)<0.0001
High TG§17 (15.5)27 (25.2)42 (40.4)<0.0001
Central obesity¶34 (30.9)57 (53.3)82 (78.8)<0.0001
  • *SBP≧130 mmHg or DBP≧85 mmHg, or self-reported hypertension

  • †Fasting blood glucose ≥100 mg/dL or self-reported diabetes mellitus

  • ‡HDL-C <40 mg/dL in men or <50 mg/dL in women

  • §TG ≥150 mg/dL

  • ¶Waist circumference ≥90 cm in men or ≥80 cm in women

  • DBP, diastolic blood pressure; HDL-C, high-density lipoprotein-cholesterol; SBP, systolic blood pressure; TG, triglyceride.