Table 2. Baseline characteristics of 360 patients with pulmonary embolism (Firenze sample).
| Number or Median | (Percent or IQR) | |
| Baseline characteristics | ||
| Outpatients | 324 | (90) |
| Time to diagnosis, days | 2 | (1–7) |
| Age, years | 61 | (46–71) |
| Male sex | 162 | (45) |
| Unprovoked PE | 237 | (66) |
| Prior cardiovascular disease | 86 | (24) |
| Prior pulmonary disease | 20 | (6) |
| Active cancer | 20 | (6) |
| Diagnostic technique | ||
| MD-CTA | 298 | (83) |
| Perfusion lung scintigraphy | 56 | (15) |
| Ventilation-Perfusion scintigraphy | 6 | (2) |
| Therapy in the acute stage | ||
| Unfractionated heparin | 227 | (63) |
| Low molecular weight heparins | 90 | (25) |
| Fondaparinux | 29 | (8) |
| Thrombolysis | 14 | (4) |
IQR = interquartile range. PE = pulmonary embolism. MD-CTA = multidetector computed tomographic angiography.