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

van Wissen et al. Thrombosis Journal 2007 5:16   doi:10.1186/1477-9560-5-16