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Table 5 The relation between administration of UFH or LMWH and incidence of VTE in the 2018 study

From: A retrospective cohort study using a national surveillance questionnaire to investigate the characteristics of maternal venous thromboembolism in Japan in 2018

 

VTE*

DVT

PE

Overall

With administration of UFH or LMWH

Overall

With administration of UFH or LMWH

Overall

With administration of UFH or LMWH

Ante-partum

Overall

145 (100%)

90 (62.1%)

125 (100%)

79 (63.2%)

20 (100%)

11 (55.0%)

With operation

17 (100%)

8 (47.1%)

11 (100%)

6 (54.5%)

6 (100%)

2 (33.3%)

Without operation

128 (100%)

82 (64.1%)

114 (100%)

73 (64.0%)

14 (100%)

9 (64.3%)

p-value

 

0.1921

 

0.5313

 

0.3359

Post-partum

Overall

68 (100%)

51 (75.0%)

32 (100%)

19 (59.4%)

36 (100%)

32 (88.9%)

Cesarean section

43 (100%)

34 (79.1%)

17 (100%)

13 (76.5%)

26 (100%)

21 (80.8%)

Vaginal delivery

25 (100%)

8 (32.0%)

15 (100%)

6 (40.0%)

10 (100%)

2 (20.0%)

p-value

 

0.0002

 

0.0702

 

0.0013

  1. VTE Venous thromboembolism, DVT Deep vein thrombosis, PE Pulmonary thromboembolism, UFH Unfractionated heparin, LMWH Low-molecular-weight heparin
  2. *, *VTE was DVT and/or PE. The simultaneous occurrence of DVT and PE was defined as PE