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| Unselected series BRCA1 mut/all (%) | Selected series BRCA1 mut/all (%) | Total BRCA1 mut/all (%) | |
|---|---|---|---|
| All | 15/159 (9) | 30/149 (20) | 45/308 (15) |
| <50 years | 11/58 (19) | 26/111 (23) | 37/169 (22) |
| ⩾50 years | 4/101 (4) | 4/38 (11) | 8/139 (6) |
Abbreviation: TN=Triple-negative.
