Baseline characteristics and comorbidity of the total sample of emergency department patients
| Total sample | |
| Total, n | 6290 |
| Demographics | |
| Gender, male (n, %) | 3116 (49.5) |
| Age, years, mean (SD) | 60.2 (20.0) |
| Vital signs | |
| Blood pressure (mmHg, 95% CI) | |
| Systolic blood pressure | 134.1 (133.3 to 134.8) |
| Diastolic blood pressure | 75.8 (75.3 to 76.2) |
| Heart rate (/min, 95% CI) | 81.5 (80.9 to 82.0) |
| Respiratory rate (/min, 95% CI) | 17.1 (17.0 to 17.2) |
| SpO2 (%, 95% CI) | 95.8 (95.5 to 96.1) |
| Temperature (°C, 95% CI) | 36.2 (36.0 to 36.3) |
| Comorbidity | |
| Previous MI (n, %) | 405 (6.4) |
| PCI (n, %) | 282 (4.5) |
| CABG (n, %) | 209 (3.3) |
| Heart failure (n, %) | 369 (5.9) |
| Atrial fibrillation (n, %) | 694 (11) |
| Hypertension (n, %) | 1404 (22.3) |
| Diabetes (n, %) | 672 (10.7) |
| COPD (n, %) | 530 (8.4) |
| Liver disease (n, %) | 116 (1.8) |
| Renal disease (n, %) | 230 (3.7) |
| Cancer (n, %) | |
| Former | 490 (7.8) |
| Current | 461 (7.3) |
| History of stroke (n, %) | 495 (7.9) |
| Smoking (n, %) | |
| Previous | 1388 (22.1) |
| Active | 1541 (24.5) |
| Never | 1997 (31.8) |
| n/a | 1364 (21.7) |
CABG, coronary artery bypass grafting; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; SpO2, peripheral oxygen saturation.