Baseline Characteristics of Patients
| Characteristic | Data |
| Mean age ± SD (y) | 68.56 ± 13.82 |
| Male | 79 (43.2) |
| Deep-vein thrombosis | 69 (37.7) |
| Previous venous thromboembolism | 15 (8.2) |
| Cardiovascular disease | 104 (56.8) |
| Chronic obstructive pulmonary disease | 29 (15.8) |
| Cancer-associated PE | 33 (18.0) |
| Transient provoked PE | 48 (26.2) |
| Unprovoked PE | 102 (55.7) |
Data are n followed by percentage in parentheses, except for age.