Comparing the frequency of common genetic variants and haplotypes between carriers and non-carriers of BRCA1 and BRCA2deleterious mutations in Australian women diagnosed with breast cancer before 40 years of age

Table 1 Breast cancer cases with DNA sequence data and those carrying deleterious mutations by age group.

Age	BRCA1total with sequenced data	BRCA1 deleterious mutation number	BRCA2total with sequenced data	BRCA2 deleterious mutation number
<40	392	13	179	11
40-49	102	4	34	0
50-59	186	1	32	0
Total	680	18	245	11

ISSN: 1471-2407