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Table 1 ER-α positivity among Australian premenopausal and postmenopausal women

From: Hormone replacement therapy use dramatically increases breast oestrogen receptor expression in obese postmenopausal women

   

Average

Correlation (r2) between

 

Average age

Average BMI

percentage of

BMI and percentage of

 

(years)

(kg/m2)

ER-α-positive cells

ER-α-positive cells

Premenopausal (n = 32)

37.5

22.2

15.3

-0.17 (NS)

Postmenopausal

    

   No HRT (n = 11)

55.5

22.3

24.4

-0.33 (NS)

   HRT (n = 11)

60.1

25.0

22.1

0.80 (P = 0.003)

  1. Percentage of ER-α-positive normal breast epithelial cells in Australian pre- and postmenopausal women, correlated with height, BMI and use of HRT. A BMI of 25 or over suggests excess weight. NS, not significant at 95% confidence; P, two-tailed t-test at 95% confidence.