BRCA1/2 combined score | Observed (%) | Published BRCA1 and BRCA2 combined frequency,7 % | |||
No mutation | BRCA1 | BRCA2 | BRCA1 and BRCA2 | ||
≤14 | 524 (94.9) | 14 (2.5) | 14 (2.5) | 28 (5) | 2 |
15–16 | 158 (89.3) | 10 (5.6) | 9 (5.1) | 19 (10.7) | 12.5 |
17–20 | 277 (83.9) | 27 (8.2) | 26 (7.9) | 53 (16.1) | 20 |
21–24 | 216 (84.4) | 21 (8.2) | 19 (7.4) | 40 (15.6) | 27 |
25–29 | 175 (75.1) | 27 (11.6) | 31 (31.3) | 58 (42.9) | 38 |
30–34 | 102 (64.6) | 31 (19.6) | 25 (15.8) | 56 (35.4) | 56 |
36–39 | 42 (54.5) | 21 (27.3) | 14 (18.2) | 35 (45.5) | 59 |
≥40 | 75 (49.7) | 60 (39.7) | 16 (10.6) | 76 (50.3) | 85 |