Characteristics of ambulated and admitted patients
| Variable | Ambulated (n=136) | Admitted (n=51) | p-value |
| Age years (mean) | 61.3 | 65.8 | 0.14 |
| Male gender | 65 (47.8) | 23 (45.1) | 0.87 |
| Pulse rate beats·min−1 | 82.4 | 93.1 | 0.0001 |
| Systolic BP mmHg | 137.3 | 136.2 | 0.73 |
| Oxygen saturation % | 95.9 | 93.6 | 0.000005 |
| Use of oxygen | 2 (1.5) | 19 (37.3) | 0.0001 |
| Respiratory rate breaths·min−1 | 17.8 | 20.0 | 0.0001 |
| Temperature °C | 36.4 | 36.6 | 0.03 |
| Altered mental status | 0 (0) | 1 (1.8) | 0.27 |
| Heart failure | 6 (4.4) | 7 (13.7) | 0.057 |
| Cancer | 27 (19.9) | 9 (17.6) | 0.89 |
| Lung disease | 26 (19.1) | 13 (25.5) | 0.45 |
| PESI score | 79.6 | 92.0 | 0.014 |
| Intermediate-to-high risk patients | 52 (38.2) | 29 (56.9) | 0.66 |
| Troponin ng·mL−1 | 0.003 (n=79) | 0.087 (n=34) | 0.7×10−6 |
| Morning arrival | 91 (66.9) | 19 (37.3) | 0.0005 |
| Re-admission rate | 13 (9.6) | 2 (3.9) | 0.36 |
| All-cause mortality | 1 (0.7) | 3 (5.9) | 0.0625 |
Data is presented as n or n (%) unless otherwise stated. BP: blood pressure. PESI: Pulmonary Embolism Severity Index.