Table I.
Baseline demographics and clinical characteristics
| Variables | DS (n = 202) | CS (n = 414) | P-value |
|---|---|---|---|
| Male, n (%) | 142 (70.3) | 300 (72.5) | 0.505 |
| Age, mean ± SD [years] | 63.0 ±11.9 | 65.4 ±12.1 | 0.019 |
| Smoker, n (%) | 102 (50.5) | 191 (46.1) | 0.309 |
| Ejection fraction, mean ± SD (%) | 47.7 ±9.2 | 45.5 ±10.7 | 0.009 |
| Diabetes mellitus, n (%) | 81 (40.1) | 168 (40.7) | 0.891 |
| Hypertension, n (%) | 93 (46.0) | 188 (45.5) | 0.903 |
| Hyperlipidemia, n (%) | 36 (17.8) | 93 (22.5) | 0.179 |
| Prior MI, n (%) | 19 (9.4) | 40 (9.7) | 0.919 |
| Prior PCI, n (%) | 20 (9.9) | 34 (8.2) | 0.487 |
| Prior CABG, n (%) | 3 (1.5) | 12 (2.9) | 0.286 |
| Renal insufficiency, n (%) | 25 (12.4) | 64 (15.5) | 0.302 |
| TI time, mean ± SD [min] | 116.5 ±40.6 | 113.8 ±38.9 | 0.435 |
Data presented as mean ± standard deviation or number (%). DS – direct stenting, CS – conventional stenting, MI – myocardial infarction, PCI – percutaneous coronary intervention, CABG – coronary artery bypass graft, TI time – total ischemic time.