Independent Predictors of Event-Free Survival Using Multivariate Analysis at Each Stage of Diagnostic Work-up
| Variable | HR | 95% CI | χ2 | P |
|---|---|---|---|---|
| Clinical evaluation | ||||
| Previous MI | 2.99 | 1.59–5.95 | 12.09 | 0.0005 |
| Laboratory examination | ||||
| Creatinine level | 3.24 | 1.60–5.85 | 9.57 | 0.0020 |
| LDL/HDL cholesterol level | 1.42 | 1.01–1.95 | 3.99 | 0.0456 |
| ECG and echocardiography | ||||
| LVEF | 0.95 | 0.93–0.97 | 24.04 | <0.0001 |
| Gated SPECT | ||||
| SRS | 1.21 | 1.14–1.28 | 35.68 | <0.0001 |
| SDS | 1.18 | 1.07–1.29 | 11.37 | 0.0007 |
| Coronary arteriography | ||||
| Score of coronary stenoses | 1.08 | 1.02–1.14 | 7.34 | 0.0067 |