Table 5.

Incidence of VTE according to type of VTE and diagnostic certainty

CharacteristicDefinite VTE (n= 6)Definite and probable VTE (n= 7)Definite, probable, and possible VTE (n= 21)
Type of eventn (%)Incidence rate (95% CI)n (%)Incidence rate (95% CI)n (%)Incidence rate (95% CI)
DVT5 (83.3)0.59 (0.19 to 1.38)5 (71.4)0.59 (0.19 to 1.38)11 (52.3)1.30 (0.65 to 2.32)
PE1 (16.6)0.12 (0.003 to 0.66)2 (28.6)0.24 (0.03 to 0.85)10 (47.6)1.18 (0.57 to 2.17)
Fatal PE1 (16.6)0.12 (0.003 to 0.66)1 (14.2)0.12 (0.003 to 0.66)3 (14.2)0.35 (0.07 to 1.03)
Recurrent VTE2 (33.3)0.24 (0.03 to 0.85)2 (28.6)0.24 (0.03 to 0.85)5 (23.8)0.59 (0.19 to 1.38)
  • DVT = deep vein thrombosis. PE = pulmonary embolism. VTE = venous thromboembolism.