Predictors of major adverse cardiac events in univariable and stepwise multivariable cox regression analysis
| Univariable | Stepwise multivariable | |||
| Variable | HR (CI) | p Value | HR (CI) | p Value |
| Age | 1.04 (1.01 to 1.07) | 0.02 | 1.04 (1.01 to 1.08) | 0.02 |
| Killip class on admission | 1.01 (1.00 to 1.02) | 0.03 | – | – |
| TIMI flow grade after PCI | 0.55 (0.38 to 0.79) | 0.001 | – | – |
| LV ejection fraction (%) | 0.93 (0.91 to 0.96) | <0.001 | 0.95 (0.92 to 0.98) | 0.003 |
| Late microvascular obstruction (% LV) | 1.23 (1.05 to 1.52) | 0.01 | – | – |
| Infarct size (% LV) | 1.08 (1.05 to 1.12) | <0.001 | 1.06 (1.03 to 1.09) | <0.001 |
| Myocardial salvage index | 0.96 (0.94 to 0.98) | <0.001 | – | – |
MSI was included as continuous variable in the model.
LV, left ventricle; PPCI, primary percutaneous coronary intervention; TIMI, Thrombolysis In Myocardial Infarction.