Table 5.
Detection rate of BRCA1/2 PVs in sporadic breast cancer by age group
| Age BC | Sporadic | TNT | Other |
|---|---|---|---|
| <30 | Number tested | 48 | 61 |
| BRCA1/2 | 6 | 2 | |
| % | 12.50% | 3.28% | |
| PALB2 | 1 | 1 | |
| Combined % | 14.5% | 4.9% | |
| 30-39 | Number tested | 193 | 92 |
| BRCA1/2 | 15 | 3 | |
| % | 7.77% | 3.26% | |
| PALB2 | 3 | 1 | |
| Combined % | 9.3% | 4.3% | |
| 40-49 | Number tested | 137 | 114 |
| BRCA1/2 | 11 | 2 | |
| % | 8.03% | 1.75% | |
| PALB2 | 1 | 2 | |
| Combined % | 8.8% | 3.5% | |
| 50-59 | Number tested | 159 | 237 |
| BRCA1/2 | 8 | 5 | |
| % | 5.03% | 2.11% | |
| PALB2 | 4 | 0 | |
| Combined % | 7.5% | 2.1% | |
| >60 | Number tested | 15 | 237 |
| BRCA1/2 | 0 | 1 | |
| % | 0.00% | 0.42% |
BC, breast cancer; TNT, triple negative tumor.