Univariate analysis
| Variables | OR | 95% CI | p Value |
|---|---|---|---|
| Age >60 years | 3.47 | 1.81 to 6.68 | 0.001 |
| Female sex | 2.63 | 1.49 to 4.64 | 0.001 |
| BMI | 0.97 | 0.91 to 1.04 | 0.482 |
| Pulse rate | 1.00 | 0.99 to 1.02 | 0.213 |
| Diabetes mellitus | 1.49 | 0.82 to 2.64 | 0.152 |
| Hypertension | 1.33 | 0.75 to 2.34 | 0.289 |
| Smoking | 0.33 | 0.15 to 0.66 | 0.001 |
| Previous CAD | 1.58 | 0.67 to 3.71 | 0.420 |
| Cardiogenic shock at admission | 2.82 | 1.50 to 5.57 | 0.001 |
| Creatinine >1.5 mg/dL | 2.42 | 1.33 to 4.33 | 0.001 |
| Haemoglobin <10 g/dL | 3.30 | 1.69 to 6.27 | 0.001 |
| Admission troponin T | 1.03 | 1.00 to 1.06 | 0.015 |
| Admission plasma glucose | 1.04 | 1.002 to 1.006 | 0.001 |
| LVEF <40% | 3.01 | 1.60 to 5.62 | 0.001 |
| Door-to-device time >90 min | 0.71 | 0.32 to 1.44 | 0.330 |
| Triple vessel disease | 0.57 | 0.30 to 1.06 | 0.077 |
| Infarct vessel=LAD | 0.93 | 0.55 to 1.56 | 0.790 |
| Infarct vessel=RCA | 0.99 | 0.59 to 1.68 | 0.980 |
| Reference vessel diameter | 0.59 | 0.36 to 0.96 | 0.035 |
| Stented implanted | 0.39 | 0.21 to 0.80 | 0.001 |
| Use of glycoprotein IIb/IIIa inhibitor | 0.80 | 0.45 to 1.40 | 0.400 |
| Use of thrombus aspiration | 1.13 | 0.65 to 1.98 | 0.651 |
| Final TIMI flow grade 0/1 | 9.83 | 3.39 to 28.48 | 0.001 |
BMI, body mass index; CAD, coronary artery disease; LAD, left anterior descending artery; LVEF, left ventricular ejection fraction; RCA, right coronary artery; TIMI, Thrombolysis in Myocardial Infarction.