Table 1.
Study Population Characteristics by Obstructive CAD Status
| Characteristic | Obstructive CAD (n = 93) | No obstructive CAD (n = 50) | P value |
|---|---|---|---|
| Age, years | 74 ± 6.3 | 73 ± 6.2 | 0.220 |
| Male sex∗ | 57 (61) | 18 (36) | 0.004 |
| White race | 74 (80) | 37 (74) | 0.446 |
| Body mass index, kg/m2 | 29 ± 6.3 | 30 ± 7.1 | 0.323 |
| Current smoker | 4 (4) | 3 (6) | 0.653 |
| Diabetes | 38 (41) | 17 (34) | 0.421 |
| Hyperlipidemia∗ | 74 (80) | 28 (56) | 0.003 |
| Hypertension | 82 (88) | 44 (88) | 0.976 |
| Previous MI∗ | 41 (44) | 3 (6) | <0.001 |
| Multivessel disease∗ | 62 (67) | 0 (0) | <0.001 |
| Systolic blood pressure, mmHg | 143 ± 20 | 141 ± 20 | 0.573 |
| Diastolic blood pressure, mmHg | 77 ± 13 | 78 ± 12 | 0.588 |
| Statin use∗ | 74 (80) | 23 (46) | <0.001 |
| Aspirin use∗ | 78 (84) | 33 (66) | 0.015 |
| Clopidogrel use∗ | 33 (36) | 6 (12) | 0.003 |
Data presented as means ± SD or n (%). Age, body mass index, and diastolic blood pressure were not normally distributed and were log transformed before analysis.
CAD, coronary artery disease; MI, myocardial infarction.
∗
P < 0.05 (t-test).