Table 4.
Univariate associations with long-term survival in the PC + CABG group
| Variable | HR (95% CI) | P value |
|---|---|---|
| Age | 1.038 (1.006-1.072) | .020 |
| Female sex | 0.339 (0.119-0.962) | .042 |
| BMI | 1.010 (0.957-1.066) | .715 |
| CHF within 2 wk | 1.623 (0.911-2.893) | .100 |
| Cerebrovascular accident | 1.521 (0.598-3.865) | .379 |
| Diabetes mellitus | 1.282 (0.680-2.419) | .443 |
| NYHA functional class III and IV | 2.314 (1.018-5.257) | .045 |
| PVD | 2.736 (1.195-6.264) | .017 |
| Renal failure (creatinine >2 or dialysis) | 1.166 (0.540-2.519) | .696 |
| LVEF | 0.993 (0.968-1.019) | .615 |
| Previous CABG | 1.656 (0.785-3.495) | .186 |
| Previous sternotomy | 1.830 (0.890-3.764) | .100 |
HR, Hazard ratio; CI, confidence interval; BMI, body mass index; CHF, congestive heart failure; NYHA, New York Heart Association; PVD, peripheral vascular disease; LVEF, left ventricular ejection fraction; CABG, coronary artery bypass grafting.