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Table 3 Penetrance for breast and ovarian cancer by age for BRCA1 and BRCA2.

From: Penetrance estimates for BRCA1 and BRCA2based on genetic testing in a Clinical Cancer Genetics service setting: Risks of breast/ovarian cancer quoted should reflect the cancer burden in the family

Cancer risk to age

BRCA1 Breast (se)

BRCA2 Breast (se)

BRCA1 Ovary (se)

BRCA2 Ovary (se)

30

2%

2.5%

0

0

40

16.5%(0.015)

17%(0.019)

3% (0.007)

0

50

48%(0.023)

42%(0.027)

21%(0.02)

4% (0.012)

60

55%(0.027)

63%(0.031)

40%(0.024)

16% (0.03)

70

68% (0.033)

75%(0.033)

60% (0.037)

30% (0.046)

80

79.5% (0.04)

88%(0.037)

65% (0.042)

37% (0.056)

  1. se-standard error