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Table 2 Time-to-VTE after cancer diagnosis among all cancer patients

From: Epidemiology, clinical profile and treatment patterns of venous thromboembolism in cancer patients in Taiwan: a population-based study

 

VTE algorithm 1#(N = 1,388)

VTE algorithm 2&(N = 473)

Time-to-VTE

Patient no. (%)

Cumulative rate of VTE (%)

Patient no. (%)

Cumulative rate of VTE (%)

0 days

497 (35.8)

35.8

85 (18.0)

18.0

1 – 30 days

98 (7.1)

42.9

34 (7.2)

25.2

31 – 90 days

147 (10.6)

53.5

69 (14.6)

39.8

91 – 180 days

115 (8.3)

61.8

38 (8.0)

47.8

181 – 270 days

63 (4.5)

66.3

29 (6.1)

53.9

271 – 365 days

62 (4.5)

70.8

26 (5.5)

59.4

366 – 545 days

70 (5.0)

75.8

32 (6.8)

66.2

546 – 761 days

75 (5.4)

81.2

33 (7.0)

73.2

>731 days*

261 (18.8)

100.0

127 (26.9)

100.0

  1. *The last observed events occurred 3,124 days after index date.
  2. #VTE algorithm 1 was defined as a hospital admission with diagnostic codes of VTE (ICD-9-CM codes 415.1x, 451.xx, 452, and 453.xx).
  3. &VTE algorithm 2 was based on both the hospital admission with diagnostic codes of VTE and managements of VTE (prescription of intravenous or subcutaneous (IV/SC) anticoagulants (unfractionated heparin (UFH) or low-molecular-weight heparin (LMWH)) or reimbursement codes of surgical thromboectomy) during the hospital stay.