Table 6.

RR Estimates for Mutation Carriers, Based on Country- and Cohort-Specific Background Rates

	RR Estimates (95% Floated CI)for Carriers of Mutations in
	BRCA1		BRCA2
Age Group	BreastCancer	OvarianCancer	BreastCancer	OvarianCancer
20–29 years	18 (4.4–75)	1.0	19 (4.4–82)	1.00
30–39 years	36 (25–52)	38 (17–88)	16 (9.3–29)	1.00
40–49 years	31 (25–52)	61 (38–99)	9.5 (5.9–15)	6.3 (1.4–28)
50–59 years	16 (9.6–27)	30 (14–65)	11 (6.6–17)	19 (9.1–41)
60–69 years	11 (5.0–25)	48 (22–109)	9.2 (5.1–17)	7.3 (1.8–30)