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Table 3 Serum hormones independently associated with mammographic density in linear regression models.

From: Serum estradiol levels associated with specific gene expression patterns in normal breast tissue and in breast carcinomas

 

Absolute density

Percent density

Covariate

Estimate1)

p-value

Estimate

p-value

Parity

-8.18

0.01

-

-

Serum estradiol

95.55

7.1E-05

51.31

9.3E-03

  1. Values shown are corrected for age, HT and BMI. Through leave-one-out stepwise elimination of covariates, prolactin, SHBG and testosterone were excluded and the following variables remained.
  2. 1) Estimate denotes the beta-value corresponding to each covariate in the regression equation.