Table 1.
Baseline Clinical and Demographic Characteristics of the Study Patients
| Stent-Only (n=185) | Balloon-Stent (n=390) | P Value | |
|---|---|---|---|
| Age | 68.48±7.35 | 68.65±7.66 | 0.91 |
| Men, n (%) | 183 (99%) | 390 (100%) | 0.10 |
| Diabetes mellitus, n (%) | 111 (60%) | 234 (60%) | 1.00 |
| Current smoking, n (%) | 46 (25%) | 83 (21%) | 0.34 |
| Hypertension, n (%) | 179 (97%) | 374 (96%) | 0.62 |
| Hyperlipidemia | 183 (99%) | 376 (96%) | 0.09 |
| Indication for PCI, n (%) | |||
| Stable angina | 71 (38%) | 146 (37%) | 0.95 |
| Unstable angina | 57 (31%) | 120 (31%) | |
| NSTEMI | 41 (22%) | 94 (24%) | |
| Other | 16 (9%) | 30 (8%) | |
| Number of diseased coronary vessels, n (%) | |||
| None | 0 (0%) | 1 (0%) | 0.95 |
| 1-vessel | 3 (2%) | 8 (2%) | |
| 2-vessel | 18 (10%) | 36 (9%) | |
| 3-vessel | 161 (87%) | 334 (86%) | |
| Other | 3 (2%) | 10 (3%) | |
| Prior MI, n (%) | 94 (51%) | 210 (54%) | 0.50 |
| LVEF, % | 49.92±14.82 | 49.31±12.70 | 0.39 |
| Congestive heart failure, n (%) | 67 (36%) | 137 (35%) | 0.80 |
| Body mass index (kg/m2) | 30.67±5.89 | 30.44±5.31 | 0.91 |
| PreIndex PCI estimated GFR (mean) | 77.13±24.87 | 76.96±23.86 | 0.84 |
| History of atrial fibrillation, n (%) | 35 (19%) | 70 (18%) | 0.78 |
| Peripheral arterial disease, n (%) | 33 (18%) | 70 (18%) | 0.97 |
GFR indicates glomerular filtration rate; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NSTEMI, non-ST-segment elevation myocardial infarction; and PCI, percutaneous coronary intervention.