Group Total cases Age<50 Age>50 consanguineous cases sequenced cases BRCA1/2 Mutation
1 13 8 5 0 12 5
2 45 34 11 3 22 1
3 4 2 2 1 2 1
4 15 11 4 4 0 ND
Table 5: Consanguineous marriages in familial breast cancer patients (ND: Non Determined)