Table 1.
Characteristics of the study population (MIPS Study).
| Clinical variable | MSIMI− %, Mean ± SD | MSIMI+ %, Mean ± SD | P-value |
|---|---|---|---|
| Number | 508 | 99 | |
| Age, years | 63.1 ± 9.2 | 62.5 ± 9.2 | 0.57 |
| Male, % | 75 | 78 | 0.61 |
| Body mass index, kg/m2 | 29.6 ± 5.2 | 29.9 ± 5.4 | 0.57 |
| African American, % | 26 | 33 | 0.14 |
| Diabetes, % | 32 | 38 | 0.18 |
| Hypertension, % | 75 | 77 | 0.71 |
| Current Smoking, % | 14 | 14 | 0.98 |
| Myocardial infarction, % | 36 | 39 | 0.48 |
| Beck Depression Inventory | 8.3 ± 8.2 | 8.0 ± 8.6 | 0.74 |
| Medications | |||
| ACE inhibitor, % | 45 | 55 | 0.071 |
| ARB, % | 17 | 12 | 0.21 |
| Aspirin, % | 86 | 86 | 0.93 |
| Beta blockers, % | 74 | 77 | 0.53 |
| Clopidogrel, % | 34 | 40 | 0.19 |
| Statin, % | 86 | 85 | 0.85 |
| Resting hemodynamics | |||
| Systolic blood pressure, mmHg | 135.1 ± 18.1 | 136.2 ± 16.5 | 0.56 |
| Diastolic Blood pressure, beat/min | 78.6 ± 10.4 | 78.7 ± 9.7 | 0.98 |
| Heart rate, beat/min | 62.9 ± 10.6 | 66.2 ± 13.0 | 0.016 |
Abbreviations: MSIMI, Mental stress induced myocardial ischemia; ACE, angiotensin converting enzyme; ARB, angiotensin receptor blocker.