| Characteristic | Total (mean) | PE diagnosed | PE excluded | p-Value |
| n | 91 | 12 (13.2%) | 79 (86.8%) | |
| Age | 50.01 | 56.83 | 49 | 0.187 |
| Female | 63 | 7 (11.1%) | 56 (88.9%) | |
| Male | 28 | 5 (17.9%) | 23 (82.1%) | |
| PO2 (kPa) | 10.96 | 9.84 | 11.15 | 0.032 |
| PCO2 (kPa) | 5.28 | 4.66 | 5.38 | 0.214 |
| RR (n/min) | 17.42 | 17.58 | 17.4 | 0.844 |
| SaO2 | 97.01 | 96.33 | 97.12 | 0.403 |
| Systolic | 140.32 | 130.41 | 141.83 | 0.248 |
| Diastolic | 80.67 | 81.16 | 80.59 | 0.909 |
| HR | 85.2 | 92.25 | 84.1 | 0.166 |
| Trop T | 0.07 | 0.14 | 0.05 | 0.408 |
| D.Dimer | 1.33 | 2.28 | 1.18 | 0.295 |
| Request to test time (days) | 3.86 | 5 | 3.68 | 0.427 |