Proportion with mutations using the combined BRCA1/2 score
| BRCA1 | BRCA2 | Combined | |
|---|---|---|---|
| 40+ | 34 (63%) | 12 (23%) | 46/54 (85%) |
| 35–39 | 10 (31%) | 9 (28%) | 19/32 (59%) |
| 30–34 | 12 (27%) | 13 (29%) | 25/45 (56%) |
| 25–29 | 20 (21%) | 16 (17%) | 36/95 (38%) |
| 20–24 | 19 (13%) | 20 (14%) | 39/143 (27%) |
| 15–19 | 9 (5%) | 24 (12%) | 33/199 (17%) |
| 19 | 4 | 2 | 6/24 (25%) |
| 18 | 4 | 6 | 10/67 (15%) |
| 17 | 0 | 7 | 7/27 (26%) |
| 16 | 1 | 7 | 8/63 (12.5%) |
| 14 | 0 (0%) | 3 (3.5%) | 3/85 (3.5%) |
| 12 | 2 (2.5%) | 1 (1%) | 3/80 (3.5%) |
| 0–14 | 2 (0.5%) | 6 (1.5%) | 8/353 (2%) |
| Total | 107/921 (11.5%) | 99/921 (11%) | 204/921 (22.5%) |