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Table 1 Relative risks for breast cancer associated with hormone levels: top versus bottom quintile

From: Assessing individual risk for breast cancer: role of oestrogens and androgens

Hormone RR (95% CI)
Free E2 2.58 (1.76 to 3.78)
Non-SHBG-E2 2.39 (1.62 to 3.54)
Testosterone 2.22 (1.59 to 3.10)
Estrone 2.19 (1.48 to 3.22)
Androstenedione 2.15 (1.44 to 3.21)
DHEA 2.04 (1.21 to 3.45)
Total estradiol 2.00 (1.47 to 2.71)
Estrone sulfate 2.00 (1.26 to 3.16)
DHEAS 1.75 (1.26 to 2.43)
SHBG 0.66 (0.43 to 1.00)
  1. Data from Kaaks [3] and Key [4], and their coworkers. DHEA, dehydroepiandrosterone; DHEAS, dehydroepiandrosterone sulphate; E2, oestradiol; SHBG, sex hormone binding globulin.