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Baseline characteristics.
| Mean age, years (DS) | 74 (14) |
| Male sex, n (%) | 38 (57.6) |
| Medical history | |
| Hypertension n (%) | 42 (63.6) |
| Respiratory diseases n (%) | 11 (16.6) |
| Malignancies n (%) | 11 (16.6) |
| Obesity n (%) | 5 (7.6) |
| Diabetes n (%) | 8 (12.1) |
| Cardiovascular diseases n (%) | 26 (39.4) |
| Past thromboembolic events | |
| Pulmonary embolism n (%) | 2 (3.0) |
| Deep vein thrombosis n (%) | 1 (1.5) |
| Chronic kidney diseases n (%) | 5 (7.6) |
| Chronic liver diseases n (%) | 3 (4.5) |
