Table 1 Baseline characteristics.
From: Influenza infection and risk of acute pulmonary embolism
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%) |