Table 1 Univariate association between preoperative characteristics and major adverse cardiac events (MACE).
| Patients | MACE | OR (95% CI) | p Value | |
|---|---|---|---|---|
| Age (years) | ||||
| <50 | 15.5% | 0.6% | Reference | |
| 50–59 | 30.7% | 1.0% | 1.52 (0.74 to 3.11) | 0.25 |
| 60–69 | 33.3% | 1.1% | 1.78 (0.88 to 3.57) | 0.10 |
| 70–79 | 18.3% | 2.4% | 3.79 (1.89 to 7.55) | <0.001 |
| ⩾80 | 2.1% | 3.3% | 5.21 (1.96 to 13.85) | <0.001 |
| Trend | <0.001 | |||
| Sex | ||||
| Male | 70.9% | 1.1% | Reference | |
| Female | 29.1% | 1.7% | 1.50 (1.05 to 2.15) | 0.024 |
| NYHA class | ||||
| <III | 88.7% | 1.1% | Reference | |
| ⩾III | 11.3% | 2.9% | 2.76 (1.85 to 4.12) | <0.001 |
| Diabetes | ||||
| No | 86.8% | 1.2% | Reference | |
| Yes | 13.2% | 1.7% | 1.35 (0.85 to 2.15) | 0.19 |
| Renal dysfunction | ||||
| No | 99.1% | 1.3% | Reference | |
| Yes | 0.9% | 2.2% | 1.68 (0.41 to 6.88) | 0.47 |
| Peripheral vascular disease | ||||
| No | 93.7% | 1.3% | Reference | |
| Yes | 6.3% | 1.8% | 1.40 (0.75 to 2.62) | 0.28 |
| Cerebrovascular disease | ||||
| No | 95.2% | 1.2% | Reference | |
| Yes | 4.8% | 2.7% | 2.24 (1.25 to 3.99) | 0.005 |
| Prior CABG | ||||
| No | 93.2% | 1.2% | Reference | |
| Yes | 6.8% | 2.5% | 2.11 (1.26 to 3.53) | 0.004 |
| Ejection fraction | ||||
| ⩾50% | 82.9% | 1.0% | Reference | |
| <50% | 17.1% | 2.9% | 3.12 (2.18 to 4.47) | <0.001 |
| Extent of disease | ||||
| One vessel | 61.9% | 1.0% | Reference | |
| Two vessel | 28.3% | 1.5% | 1.52 (1.03 to 2.26) | 0.033 |
| Three vessel | 9.8% | 2.5 | 2.48 (1.54 to 3.99) | <0.001 |
| Trend | <0.001 | |||
| LMS stenosis >50% | ||||
| No | 98.2% | 1.2% | Reference | |
| Yes | 1.8% | 7.7% | 7.01 (3.94 to 12.47) | <0.001 |
| Indication for PCI | ||||
| Stable angina | 52.7% | 0.8% | Reference | |
| Unstable angina | 36.3% | 1.1% | 1.53 (0.98 to 2.39) | 0.059 |
| Treatment for AMI | 10.3% | 2.2% | 2.88 (1.72 to 4.83) | <0.001 |
| Cardiogenic shock | 0.7% | 43.1% | 98.99 (55.78 to 175.68) | <0.001 |
| Trend | <0.001 | |||
| Priority | ||||
| Elective | 56.3% | 0.7% | Reference | |
| Urgent | 32.9% | 1.2% | 1.72 (1.09 to 2.70) | 0.017 |
| Emergency | 10.8% | 4.9% | 7.55 (4.95 to 11.52) | <0.001 |
| Trend | <0.001 | |||
AMI, acute myocardial infarction; CI, Confidence interval; CABG, coronary artery bypass grafting; LMS, left main stem; NYHA, New York Heart Association; OR, odds ratio; PCI, percutaneous coronary intervention.