Table 2.

Self-reported Jewish ancestry in 1,967 BRCA carriers.

		Self-reported Jewish ancestry	Did not self-report Jewish ancestry
Overall	1967	1552 (78.9%, of 1967)	415 (21.1%, of 1967)
- BRCA1 185delAG	748	625 (83.6%, of 748)	123 (16.4%, of 748)
- BRCA1 5382insC	415	192 (46.3%, of 415)	223 (53.7%, of 415)
- BRCA2 6174delT	811	741 (91.4%, of 811)	70 (8.6%, of 811)

1,967 of 2,853 carriers in the cohort provided self-reported ancestry information. The total number of BRCA variants detected exceeds the number of carriers because a small number of participants carry both a BRCA1 and a BRCA2 variant.