Baseline demographic and clinical characteristics of the study patients
| Characteristics | Total (n=1799) | STEMI/new LBBB (n=463) | UA/NSTEMI (n=1336) | p Value |
|---|---|---|---|---|
| Demographics | ||||
| Age, year | 60.1±11.2 | 58.8±11.3 | 60.5±11.1 | 0.004 |
| Male sex, n (%) | 1177 (65.4) | 371 (80.1) | 806 (60.3) | <0.0001 |
| Presenting characteristics | ||||
| Ischaemic-type chest pain, n (%) | 1638 (91.1) | 445 (96.1) | 1193 (89.3) | <0.0001 |
| Cardiac arrest/ASCD, n (%) | 2 (0.1) | 2 (0.4) | 0 (0.0) | 0.066 |
| Heart rate, bpm | 78.6±17.3 | 78.7±16.6 | 78.5±17.6 | 0.829 |
| SBP, mm Hg | 135.4±25.6 | 133.9±26.7 | 135.9±25.2 | 0.140 |
| DBP, mm Hg | 82.2±15.0 | 82.6±16.2 | 82.1±14.6 | 0.585 |
| Risk factors, n (%) | ||||
| Hypertension | 898 (49.9) | 183 (39.5) | 715 (53.6) | <0.0001 |
| Hyperlipidaemia | 826 (45.9) | 159 (34.9) | 667 (50.5) | <0.0001 |
| Diabetes mellitus | 559 (31.1) | 120 (25.9) | 439 (32.9) | <0.0001 |
| Family history of CAD | 510 (28.4) | 119 (27.4) | 391 (31.0) | 0.150 |
| Smoking | ||||
| Current | 530 (29.5) | 199 (43.0) | 331 (24.8) | <0.0001 |
| Past | 184 (10.2) | 41 (8.9) | 143 (10.7) | |
| Medical history, n (%) | ||||
| UA | 797 (44.3) | 119 (26.0) | 678 (51.4) | <0.0001 |
| MI | 330 (18.3) | 60 (13.1) | 270 (20.6) | <0.0001 |
| PCI | 196 (10.9) | 31 (6.7) | 165 (12.4) | 0.001 |
| CABG | 158 (8.8) | 14 (3.0) | 144 (10.8) | <0.0001 |
| CVA | 93 (5.2) | 20 (4.3) | 73 (5.5) | 0.324 |
| PAD | 30 (1.7) | 3 (0.7) | 27 (2.3) | 0.034 |
All plus-minus values are mean±SD.
ASCD, aborted sudden cardiac death; CABG, coronary artery bypass grafting surgery; CAD, coronary artery disease; CVA, cerebrovascular attack; DBP, diastolic blood pressure; LBBB, left bundle branch block; MI, myocardial infarction; NSTEMI, non-ST-segment elevation myocardial infarction; PAD, peripheral arterial disease; PCI, percutaneous coronary intervention; SBP, systolic blood pressure; STEMI, ST-segment elevation myocardial infarction; UA, unstable angina.