Table 3.
Predictors of 1-year clinical outcome following DES-ISR using Cox regression analysis
| Variables | Hazard ratio | Lower 95% CI | Upper 95% CI | P value |
|---|---|---|---|---|
| Patient related | ||||
| Age | 1.05 | 1.01 | 1.10 | 0.017 |
| Female gender | 1.39 | 0.60 | 3.24 | 0.446 |
| Presentation with MI | 2.34 | 1.14 | 4.80 | 0.020 |
| Diabetes | 0.86 | 0.42 | 1.77 | 0.684 |
| Hypertension | 1.08 | 0.52 | 2.22 | 0.836 |
| Current tobacco use | 1.52 | 0.68 | 3.42 | 0.309 |
| Dyslipidemia | 1.16 | 0.49 | 2.77 | 0.738 |
| Chronic kidney disease | 2.82 | 1.21 | 6.58 | 0.016 |
| Lesion related | ||||
| Non-focal lesion | 1.55 | 0.75 | 3.19 | 0.236 |
| LAD involvement | 1.26 | 0.61 | 2.62 | 0.531 |
| Proximal ISR location | 1.45 | 0.69 | 3.06 | 0.323 |
CABG - coronary artery bypass grafting; CI - confidence interval; ISR - in-stent restenosis; LAD - left anterior descending; LVEF - left ventricular ejection fraction;
MI - myocardial infarction