Table 1. Patient and Tumor Characteristics.
| Characteristic | Total | BRCA Mutant | BRCA Wild Type | p-value | |||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| 77 | 100% | 15 | 19.5% | 62 | 80.5% | -- | |
| Age at Diagnosis | |||||||
| Median | 51 | (27-83) | 45 | (27-61) | 53 | (28-83) | 0.0051 |
| Race | |||||||
| Black | 18 | 23.37% | 2 | 13.33% | 16 | 25.81% | |
| Hispanic | 8 | 10.38% | 3 | 20.00% | 5 | 8.06% | |
| White | 50 | 64.93% | 10 | 66.67% | 40 | 64.52% | |
| Other | 1 | 1.29% | 0 | 0.00% | 1 | 1.61% | 0.4385 |
| Menopausal Status | |||||||
| Pre-menopausal | 29 | 37.66% | 8 | 53.33% | 21 | 33.87% | |
| Post-menopausal | 48 | 62.33% | 7 | 46.67% | 41 | 66.13% | 0.2718 |
| Histology | |||||||
| Ductal | 64 | 83.11% | 12 | 80.00% | 52 | 83.87% | |
| Other | 13 | 16.88% | 3 | 20.00% | 10 | 16.13% | 0.7096 |
| Pathological Stage | |||||||
| I and II | 47 | 61.03% | 8 | 53.33% | 39 | 62.90% | |
| III | 30 | 38.96% | 7 | 46.67% | 23 | 37.10% | 0.6988 |
| Nuclear Grade | |||||||
| 2 | 5 | 6.49% | 2 | 13.33% | 3 | 4.84% | |
| 3 | 70 | 90.90% | 13 | 86.67% | 57 | 91.94% | 0.2598 |
| Lymphovascular Invasion | |||||||
| Positive | 18 | 23.37% | 3 | 20.00% | 15 | 24.19% | |
| Negative | 57 | 74.02% | 12 | 80.00% | 45 | 72.58% | 1.0 |
| Adjuvant Chemotherapy | |||||||
| Anthracycline-based | 1 | 1.3% | 1 | 6.7% | 0 | 0% | |
| Anthracycline/Taxane-based | 75 | 97.4% | 13 | 86.7% | 62 | 100% | |
| None | 1 | 1.3% | 1 | 6.7% | 0 | 0% | 0.036 |
| Adjuvant Radiotherapy | |||||||
| Yes | 42 | 54.5% | 8 | 53.3% | 34 | 54.8% | |
| No | 35 | 45.5% | 7 | 64.7% | 28 | 45.2% | 0.91 |
| Surgery Type | |||||||
| Breast Conservation | 25 | 32.5% | 3 | 20% | 22 | 35.5% | |
| Mastectomy | 52 | 67.5% | 12 | 80% | 40 | 64.5% | 0.36 |
| Contralateral Prophylactic Mastectomy | |||||||
| Yes | 10 | 13% | 5 | 33.3% | 5 | 8.1% | |
| No | 67 | 87% | 10 | 66.7% | 57 | 91.9% | 0.02 |