Table 1.
Baseline characteristics of patients who died vs. survived.
| Characteristic | Total (n = 2587) | In-hospital dead (n = 126) | In-hospital survival (n = 2461) | p value |
|---|---|---|---|---|
| Age | 61.91 ± 10.97 | 72.84 ± 10.69 | 61.35 ± 9.74 | <0.0001 |
| Male | 1290 (50) | 84 (67) | 1206 (49) | 0.0001 |
| BMI (kg/m2) | 21.24 ± 3.91 | 21.14 ± 3.23 | 23.25 ± 3.74 | <0.0001 |
| Diabetes mellitus | 540 (21) | 48 (38) | 492 (20) | <0.0001 |
| Hypertension | 1462 (57) | 84 (67) | 1378 (56) | 0.0194 |
| Hyperlipidemia | 587 (23) | 21 (17) | 566 (23) | 0.1146 |
| Previous revascularization | ||||
| PCI | 185 (7) | 3 (3) | 182 (7) | 0.0628 |
| CABG | 45 (1.7) | 1 (1) | 44 (1.8) | 0.5846 |
| Previous MI | 325 (12) | 30 (24) | 295 (12) | 0.0027 |
| Smoking status | <0.0001 | |||
| Current smoker | 855 (33) | 18 (14) | 837 (34) | |
| Previous smoker | 393 (15) | 24 (19) | 369 (15) | |
| Nonsmoker | 1339 (52) | 84 (67) | 1255 (51) | |
| HR (beats/min) | 78.94 ± 29.47 | 90.01 ± 27.23 | 78.37 ± 21.14 | <0.0001 |
| SBP (mmHg) | 127.70 ± 34.93 | 109.24 ± 33.73 | 128.65 ± 22.19 | <0.0001 |
| Cr (μmol/L) | 85.67 ± 98.64 | 144.64 ± 93.17 | 82.65 ± 63.38 | <0.0001 |
| WBC (109/L) | 8.33 ± 8.07 | 16.45 ± 7.66 | 7.91 ± 4.25 | <0.0001 |
| Troponin T (ug/l) | 0.26 ± 2.24 | 1.47 ± 4.28 | 0.20 ± 1.37 | <0.0001 |
| Cardiac arrest | 58 (2) | 9 (7) | 49 (2) | 0.0007 |
| Killip class | <0.0001 | |||
| I | 1598 (62) | 23 (18) | 1575 (64) | |
| II | 463 (18) | 20 (16) | 443 (18) | |
| III | 329 (13) | 34 (27) | 295 (12) | |
| IV | 197 (7) | 49 (39) | 148 (6) | |
| ST-segment depression | 1315 (51) | 84 (67) | 1231 (50) | 0.0003 |
Values are presented as mean ± SD or n (%). BMI: body mass index; CABG: coronary artery bypass grafting; PCI: percutaneous coronary intervention; MI: myocardial infarction; HR: heart rate; SBP: systolic blood pressure; Cr: creatinine; WBC: white blood cell count.