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Table 7 Risk of VTE according to duration of COC use

From: Family history of venous thromboembolism is a risk factor for venous thromboembolism in combined oral contraceptive users: a nationwide case-control study

 

OR (95 % CI)

Estimated OR

Contraceptives

2.12 (1.84-2.44)

 

Users of COC for more than 6 months

Ref

2.12 (1.84-2.44)

New Users of COC

1.67 (1.33-2.09)a

3.53 (2.56-4.36)

  1. Results from conditional logistic regression for 2,311 females (age 15-49 years) with VTE in the Swedish population and their matched controls
  2. aInteraction between COC use and new users of COC
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Thrombosis Journal

ISSN: 1477-9560

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