Prevalence of components of metabolic syndrome based on insulin levels
| Components | Low (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.