Table 1.
Baseline characteristics.
| Baseline characteristics | ||
| Case Group (n = 102) | Control Group (n = 395) | |
| Sex: | ||
| Male | 46 (45.1%) | 139 (35.2%) |
| Female | 56 (54.9%) | 216 (54.7%) |
| Age | 58 (SD 17.1) | 53 (SD17.6) |
| COPD | 5 (4.9%) | 42 (10.6%) |
| Asthma | 5 (4.9%) | 38 (9.6%) |
| Atherosclerotic disease | 10 (9.8%) | 47 (11.9%) |
| Malignancy | 23 (22.5%) | 54 (13.7%) |
| Immobilisation | 16 (15.7%) | 42 (10.6%) |
| Recent surgery | 20 (19.0%) | 56 (14.2%) |
| Recent trauma | 2 (2.0%) | 4 (1.0%) |
| Oral anticonceptives | 12 (11.8%) | 47 (11.9%) |
| History of VTE | 19 (18.6%) | 35 (8.9%) |
| Family history of CVD | 15 (14.7%) | 40 (10.1%) |
| Smoking | 11 (10.8%) | 74 (18.7%) |
Baseline characteristics of pulmonary embolism group versus non-pulmonary embolism group: frequencies with Standard Deviation (SD) and percentages between brackets. Immobilisation: complete immobilisation for at least 3 days during the 4 weeks prior to inclusion. COPD: Chronic Obstructive Pulmonary Disease. CVD = Cardio Vascular Disease. VTE = venous thromboembolism