Multivariate analysis with proportional hazards of 1-year mortality. Predictors of mortality by location of STEMI adjusted for comorbidities and DBT
| Variable | HR | SE | Z value | p Value | 95% CI |
|---|---|---|---|---|---|
| Anterior STEMI | 1.62 | 0.22 | 3.49 | <0.001 | 1.23 to 2.12 |
| Rising grade of IMR | 1.39 | 0.10 | 4.53 | <0.001 | 1.21 to 1.61 |
| DBT (compared with 60 min) | |||||
| 60–90 min | 1.57 | 0.83 | 0.40 | 0.56 to 4.41 | |
| 90–120 min | 2.15 | 0.95 | 0.08 | 0.91 to 5.12 | |
| >120 min | 1.86 | 0.62 | 0.06 | 0.97 to 3.57 | |
| Male gender | 0.84 | 0.11 | −1.31 | 0.189 | 0.65 to 1.09 |
| Diabetes mellitus | 1.10 | 0.16 | 0.69 | 0.493 | 0.84 to 1.46 |
| Hypertension | 1.35 | 0.22 | 1.86 | 0.062 | 0.98 to 1.85 |
| Obesity | 0.77 | 0.12 | −1.69 | 0.090 | 0.58 to 1.04 |
| Smoking | 1.02 | 0.14 | 0.17 | 0.866 | 0.77 to 1.35 |
| Ejection fraction ≤35% | 1.84 | 0.27 | 4.21 | <0.001 | 1.38 to 2.45 |
| Clinical shock | 2.48 | 0.39 | 5.69 | <0.001 | 1.81 to 3.38 |
| COPD | 1.56 | 0.29 | 2.41 | 0.016 | 1.09 to 2.23 |
| Acute kidney injury | 2.52 | 0.45 | 5.15 | <0.001 | 1.77 to 3.58 |
COPD, chronic obstructive pulmonary disease; DBT, door-to-balloon time; IMR, ischaemic mitral regurgitation; STEMI, ST elevation myocardial infarction.