Table 1.
Baseline Clinical Characteristics
| N = 458 | |
|---|---|
| Age (years) | 74.9 ± 9.9 |
| Male gender | 314 (68.6) |
| Diabetes mellitus | 193 (42.1) |
| Hypertension | 396 (86.4) |
| Hypercholesterolemia | 364 (79.5) |
| Smoking (current or former) | 21 (4.6) |
| Chronic kidney disease (creatinine ≥1.5 mg/dL) | 88 (19.2) |
| Dialysis | 17 (3.7) |
| History of myocardial infarction | 71 (15.5) |
| Previous percutaneous coronary intervention | 163 (35.6) |
| Previous coronary artery bypass grafting | 77 (16.8) |
| Indication for PCI | |
| Myocardial infarction | 51 (11.1) |
| Unstable angina | 229 (50.0) |
| Elective | 178 (38.9) |
| Mean ejection fraction (%) | 51.9 ± 11.3% |
| Severe left ventricular systolic dysfunction (EF ≤25%) | 23 (5.0) |
Values are n (%) or mean ± SD.
EF = ejection fraction; PCI = percutaneous coronary intervention.