Table 4. Correlations Between Endothelial Function and Variables.
| Variables | Coefficient | p Value |
|---|---|---|
| Age (yrs) | -0.548 | 0.003 |
| Body mass index (kg/m2) | -0.020 | 0.915 |
| Systolic blood pressure (mm Hg) | -0.313 | 0.092 |
| Diastolic blood pressure (mm Hg) | 0.140 | 0.451 |
| Heart rate (beats/min) | 0.218 | 0.241 |
| Total cholesterol (mmol/l) | -0.671 | <0.001 |
| HDL cholesterol (mmol/l) | 0.071 | 0.709 |
| Triglyceride (mmol/l) | -0.074 | 0.694 |
| Mean fasting glucose (mmol/l) | 0.281 | 0.187 |
| Serum insulin (pmol/l) | 0.179 | 0.353 |
| Insulin resistance (HOMA index) | 0.346 | 0.113 |
| Number of pack-yrs smoked | -0.588 | 0.002 |
Abbreviations as in Table 1.