Table 1. Patient characteristics.
| Characteristics | All patients | Patients with PE | Patients without PE |
|---|---|---|---|
| N | 370 | 134 | 236 |
| Age (years) | 63.52±16.94 | 65.95±15.49* | 62.14±17.60 |
| Male | 189 | 76 | 113 |
| Female | 181 | 58 | 123 |
| D-dimer (ng/mL) | 3,693.79±5,896.28 | 5,055.81±6,705.96** | 2,920.45±5,242.21 |
| Pneumonology (n) | 116 | 38 | 78 |
| Neurology (n) | 107 | 53 | 54 |
| Internal medicine and pharmacology (n) | 58 | 21 | 37 |
| Internal medicine and metabolic disease (n) | 25 | 8 | 17 |
| Surgery (n) | 24 | 4 | 20 |
| Gastroenterology (n) | 19 | 6 | 13 |
| Perinatology (n) | 11 | 3 | 8 |
| Gynecology (n) | 8 | 1 | 7 |
| Intensive care unit (n) | 2 | 0 | 2 |
Comparisons between patients with and without PE: *, P<0.05; **, P<0.001. n, number; PE, pulmonary embolism.