Table 1.
Baseline demographics (n=467).
| Age (years) | 57±12 |
| Sex (female) | 292 (62%) |
| Body mass index (kg/m2) | 27±5 |
| Systolic blood pressure (mmHg) | 124±19 |
| Diastolic blood pressure (mmHg) | 76±10 |
| Heart rate (beats per min) | 75±13 |
| Smoking history | |
| Current smoker | 57 (12%) |
| Ex-smoker | 132 (28%) |
| Systemic hypertension | 180 (38%) |
| Family history of coronary artery disease | 183 (39%) |
| Diabetes mellitus | 3 (0.6%) |
| Medication use | |
| ACE inhibitor/angiotensin receptor blocker | 70 (15%) |
| Beta blocker | 78 (17%) |
| Calcium channel blocker | 24 (5%) |
| Digoxin | 0 (0%) |
| Spironolactone | 1 (0%) |
| Indication for stress echocardiogram | |
| Atypical chest pain | 236 (50%) |
| Risk factors for coronary artery disease | 134 (29%) |
| Abnormal resting ECG | 46 (10%) |
| Risk stratification before noncardiac surgery | 38 (8%) |
| Abnormal coronary calcium scan | 15 (3%) |
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