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Table 6 VTE risk for contraceptives containing different generations of progestogens

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

Generation 1

Ref

2.00 (1.44-2.79)

Generation 2

1.04 (0.74-1.48)

2.09 (1.29-3.37)a

Generation 3

1.23 (0.84-1.80)

2.46 (1.48-4.09)a

Generation 4

1.79 (1.22-2.62)

3.58 (2.16-5.93)a

Undefined generation

1.64 (0.52-5.15)

3.29 (1.00-10.82)a

  1. Results from conditional logistic regression for 2,311 females with VTE in the Swedish population and their matched controls
  2. aCalculated by multiplying the term (i.e., 1.04, 1.23, 1.79, and 1.64, respectively) for each generation and the term that defines use of contraceptives (i.e.; 2.00)
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Thrombosis Journal

ISSN: 1477-9560

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