Table 2.
Results of Multivariate Analysis
| Variable* | Odds ratio | 95% CI | Pvalue | β coefficient |
|---|---|---|---|---|
| Age | 2.28 | 1.43 - 3.62 | 0.0005 | 0.0549 |
| Dyspnea with Moderate Exertion | 1.39 | 0.73 - 2.66 | 0.3174 | 0.3306 |
| Dyspnea at Rest | 2.99 | 1.30 - 6.87 | 0.0101 | 1.0937 |
| History of MI | 2.52 | 1.38 - 4.62 | 0.0027 | 0.9246 |
| Previous PCI | 1.76 | 0.97 - 3.21 | 0.0648 | 0.5655 |
| Preoperative Sodium | 0.64 | 0.46 - 0.88 | 0.0062 | −0.1135 |
| Preoperative BUN | 1.20 | 1.03 - 1.40 | 0.0194 | 0.0204 |
*Odds ratios for continuous variables were calculated comparing first and third quartile values.
Age: 60 years : 74 years.
Preoperative Sodium: 136 mmol/L: 140 mmol/L.
Preoperative BUN: 13 mg/dL: 22 mg/dL.
MI = myocardial infarct, PCI = percutaneous coronary intervention, BUN = blood urea nitrogen.