TABLE 2.
Univariate analysis of survival to discharge in our validated cohort.
| Characteristics | All patients | Survival | Death | Statistics | P value |
| (n = 223) | (n = 213) | (n = 10) | (t/Z/χ2) | ||
| Age (years) | 63.0 ± 11.8 | 63.2 ± 11.4 | 59.2 ± 18.3 | –0.685 | 0.510 |
| Male gender, n(%) | 166(74.4) | 158(74.2) | 8(80) | 0.170 | 1.000 |
| BMI (kg/m2), n(%) | 24.9 ± 3.7 | 24.9 ± 3.7 | 25.3 ± 4.4 | 0.302 | 0.763 |
| Hypertension, n(%) | 121(54.3) | 117(54.9) | 4(40) | 0.858 | 0.518 |
| Diabetes, n(%) | 51(62.9) | 50(23.5) | 1(10) | 0.983 | 0.461 |
| CAD, n(%) | 49(22.0) | 47(22.1) | 2(20) | 0.024 | 1.000 |
| Killip III/IV | 16(7.2) | 10(4.7) | 6(60) | 43.866 | < 0.001 |
| S2D (hours) | 3.0(1.5,6.0) | 3.0(1.5,6.0) | 3.0(2.0,5.3) | 0.015 | 0.988 |
| Heart rate (bpm) | 75.8 ± 18.2 | 77.3 ± 17.3 | 96.4 ± 26.3 | 2.269 | 0.048 |
| SBP (mmHg) | 135.0 ± 23.9 | 136.7 ± 22.8 | 98.0 ± 17.7 | –5.296 | < 0.001 |
| Emergency PCI, n(%) | 176(78.9) | 167(78.4) | 9(90) | 0.772 | 0.692 |
| Gensini score | 55(37, 82) | 54(36, 82) | 75(39,112) | –1.119 | 0.263 |
| Culprit vessel, n(%) | |||||
| LAD/LM | 105(47.1) | 98(46.0) | 7(70) | 2.206 | 0.196 |
| CPR before reperfusion | 19(8.5) | 12(5.6) | 7(70) | 50.771 | < 0.001 |
| IABP or ECMO use | 12(5.4) | 6(2.8) | 6(60) | 61.342 | < 0.001 |
| LVEF (%) | 49(45,53) | 50(46,53) | 37(25,48) | –3.238 | 0.001 |
| S100A12 | 17.4(9.3,36.0) | 15.9(9.3,33.9) | 70.9(33.3,530.8) | –3.641 | < 0.001 |
| BNP (pg/ml) | 69(23,197) | 69(23,189) | 143(13,304) | –0.371 | 0.711 |
| CKMB U/L) | 137(62, 239) | 129(62, 233) | 431(92,818) | –2.653 | 0.008 |
BMI, body mass index; BNP, brain natriuretic peptide; CAD, coronary artery disease; CKMB, creatine kinase MB subtype; CPR, cardiopulmonary resuscitation; ECMO, extracorporeal membrane oxygenation; IABP, intra-aortic balloon pulsation; LVEF, left ventricular ejection fraction; PCI, percutaneous coronary intervention; SBP, systolic blood pressure; STEMI, ST-segment elevated myocardial infarction; S2D, the duration from symptom onset to door.