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Table 1 Association between the progesterone receptor exon 4 (Val660→Leu) G/T polymorphism and breast cancer risk

From: The progesterone receptor Val660→Leu polymorphism and breast cancer risk

Genotypea

Cases, n (%)

Controls, n (%)

Crude OR (95% CI)

Adjusted OR (95 % CI)

G/G (Val/Val)

869 (69)

1186 (71)

1.0b

1.0c

G/T+T/T(Val/Leu+Leu/Leu)

383 (31)

474 (29)

1.08 (0.92–1.27)

1.10 (0.93–1.30)

Premenopausal women

    

G/G(Val/Val)

68 (65)

79 (72)

1.0d

1.0e

G/T+T/T(Val/Leu+Leu/Leu)

36 (35)

31 (28)

1.35 (0.75–2.41)

1.21 (0.64–2.28)

Postmenopausal women

    

G/G(Val/Val)

745 (69)

1044 (71)

1.0f

1.0g

G/T+T/T(Val/Leu+Leu/Leu)

330 (31)

427 (29)

1.09 (0.92–1.29)

1.08 (0.91–1.28)

  1. aNumbers may vary because of missing genotypes.
  2. bConditional logistic regression adjusted for the following matching variables: age, menopausal status, postmenopausal hormone use at blood draw, date at blood draw, time at blood draw, and fasting status.
  3. cConditional logistic regression adjusted for matching variables and age at menarche, age at menopause, age at first birth/parity, Body Mass Index (BMI) at age 18 years, weight gain since age 18 years, benign breast disease, first-degree family history of breast cancer, and duration of postmenopausal hormone use.
  4. dUnconditional logistic regression adjusted for matching variables listed in footnote b.
  5. eUnconditional logistic regression adjusted for matching variables in footnote b and other covariates listed in footnote c.
  6. fUnconditional logistic regression adjusted for the following matching variables: age, menopausal status, postmenopausal use at blood draw, date at blood draw, time at blood draw, and fasting status.
  7. gUnconditional logistic regression adjusted for matching variables in footnote f and age at menarche, age at first birth/parity, BMI at age 18 years, weight gain since age 18 years, benign breast disease, first-degree family history of breast cancer, and duration of postmenopausal hormone use.