Age, yrs (mean / SD) | 65 | ±13 |
Male, % | 639 | (59.2) |
Systolic blood pressure, mmHg | 145 | ±27 |
Diastolic blood pressure, mmHg | 80 | ±14 |
Heart rate, bpm | 74 | ±19 |
Weight, kg | 82.0 | ±18.5 |
BMI, kg/m2 | 28.2 | ±5.6 |
Ethnicity | Â | Â |
 Caucasian | 993 | (92.1) |
 NZ Maori | 43 | (4.0) |
 Pacific Island | 10 | (0.9) |
 Other | 33 | (3.1) |
Risk factors at presentation | Â | Â |
 Hypertension | 662 | (61.4) |
 Diabetes | 172 | (15.9) |
 Dyslipidemia | 622 | (57.6) |
 Current smoking | 157 | (14.6) |
 Family history of coronary artery disease | 664 | (61.5) |
Prior medical history | Â | Â |
 Angina | 511 | (47.4) |
 Acute myocardial infarction | 324 | (30.0) |
 Congestive heart failure | 107 | (9.9) |
 Cerebrovascular disease | 135 | (12.5) |
 Peripheral vascular disease | 53 | (4.9) |
 Coronary artery bypass graft | 119 | (11.0) |
 Percutaneous coronary intervention | 265 | (24.6) |
 Time of symptom onset to sample collection, h | 6.2 | (3.3–12.8) |
Chest pain symptoms at presentation | Â | Â |
 Pain at rest | 957 | (88.7) |
 Pain in past | 535 | (49.6) |
 Pleuritic pain | 167 | (15.5) |
 Radiation of pain | 704 | (65.2) |
 Diaphoresis | 521 | (48.3) |
Outcomes | Â | Â |
 ECG positive | 181 | (16.8) |
 STEMI | 27 | (2.5) |
 NSTEMI | 221 | (20.5) |
 Length of initial hospital attendance, h | 50.1 | (26.5–115.1) |