Table I.
Clinical Characteristics of the Study Population
| Variable | Values (n=200) |
|---|---|
| Age, y, mean ± SD | 47.8±2.8 |
| Caucasian race, % | 84.0 |
| Military rank, pay grade | 8.1±2.1 |
| College educated, % | 82.2 |
| Statin use, % | 40.4 |
| Aspirin use, % | 52.8 |
| Antihypertension medication use, % | 9.5 |
| Baseline CAC score | 90.8±247.3 |
| Cardiac risk factors, % | |
| Hypertension | 35.0 |
| Family history of CHD | 37.6 |
| Metabolic syndrome | 17.5 |
| Current tobacco use | 5.6 |
| Diabetes mellitus | 3.3 |
| Framingham CHD risk, % | 5.2±2.6 |
| Body mass index, kg/m2 | 28.3±2.0 |
| Waist girth, cm | 96.7±9.1 |
| Systolic blood pressure, mm Hg | 124.9±11.8 |
| Diastolic blood pressure, mm Hg | 78.7±8.0 |
| Total cholesterol, mg/dL | 213.4±39.0 |
| LDL cholesterol, mg/dL | 135.1±33.4 |
| HDL cholesterol, mg/dL | 49.0±11.0 |
| Triglycerides, mg/dL | 150.8±114.3 |
| Fasting glucose, mg/dL | 91.9±9.5 |
| Hemoglobin A1C, % | 5.4±0.5 |
| C‐reactive protein, mg/dL | 1.7±1.4 |
| Fibrinogen, mg/dL | 321.3±66.1 |
| Lipoprotein(a), mg/dL | 36.7±40.7 |
| Homocysteine, μmol/L | 9.6±2.5 |
| Serum insulin, μU/mol | 8.9±6.1 |
| HOMA‐IR | 36.0±31.7 |
Abbreviations: CAC, coronary artery calcium; CHD, coronary heart disease; HDL, high‐density lipoprotein; HOMA‐IR, homeostatic model assessment of insulin resistance; LDL, low density lipoprotein.