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Table 3 Urinary excretion of MDA by quintile of percentage mammographic density

From: Mammographic density. Potential mechanisms of breast cancer risk associated with mammographic density: hypotheses based on epidemiological evidence

 

Quintiles of percentage density

 
 

1

2

3

4

5

P value for trend

Premenopausal (n = 160)

2.76a

2.29

2.86

2.75

3.62

0.02

Postmenopausal (n = 175)

3.19

3.23

3.67

3.46

3.88

0.13

All women (n = 335)

3.02

2.76

3.10

3.38

3.68

0.01

  1. Values for malondialdehyde (MDA) are expressed as mmol/day. For 'All women', values are also adjusted for menopausal status. aLeast square mean of MDA adjusted for age and waist circumference (negative inverse). Data are from Hong and coworkers [73].