Table 2– Characteristics of deep vein thrombosis (DVT)/pulmonary embolism (PE) cases and controls
DVT/PE casesControlsp-value
Subjects n8282
Demographics
 Age yrs57±1756±170.864
 BMI kg·m-227.6±4.527.5±4.40.817
 Female %49491.0
Thromboembolic events
 DVT17 (21)
 PE30 (37)
 DVT and PE35 (43)
Risk factors for thromboembolic events
 Surgery or trauma23 (28)7 (9)0.001
 Immobilisation23 (28)3 (4)<0.001
 Cancer21 (26)5 (6)<0.001
 History of DVT20 (24)0 (0)<0.001
 History of PE6 (7)0 (0)0.013
 Family history of DVT/PE21 (26)8 (10)0.007
 Smoking17 (21)14 (17)0.550
 Oral contraceptive#8 (21)8 (21)1.000
 Pregnancy#4 (10)0 (0)0.043
  • Data are presented as mean±sd or n (%), unless otherwise stated. BMI: body mass index. #: % of females.