Table 1.
Patient and tumor characteristics for entire cohort and TNBC cohort
| All patients (N=1104) | |||
|---|---|---|---|
| Variable | African American (%) |
White (%) | p |
| Diagnosis age in years | 54.5 | 59.0 | .057 |
| Interquartile range | 47–67 | 49–67 | |
| TNBC | 33.3 | 14.9 | <.001 |
| HER2 positive | 15.9 | 13.5 | .430 |
| Stage | |||
| 1 | 19.3 | 18.9 | .424 |
| 2 | 59.4 | 55.9 | |
| 3 | 18.7 | 23.7 | |
| 4 | 2.4 | 1.5 | |
| PAM50 Subtype | |||
| Basal-like | 34.9 | 16.1 | .001 |
| HER2 positive | 7.6 | 5.79 | |
| Luminal A | 31.8 | 54.5 | |
| Luminal B | 24.2 | 20.3 | |
| Normal | 1.5 | 3.3 | |
| TNBC patients only (N=178) | |||
| Diagnosis age in years | 53.5 | 54.0 | .196 |
| Interquartile range | 48–67 | 46–62 | |
| Stage | |||
| 1 | 20.8 | 21.0 | .859 |
| 2 | 63.0 | 64.1 | |
| 3 | 16.7 | 13.6 | |
| 4 | 0 | 1.9 | |
| PAM50 Subtype | |||
| Basal-like | 91.3 | 80.6 | .842 |
| HER2 positive | 4.3 | 9.2 | |
| Luminal A | 4.3 | 4.1 | |
| Luminal B | 0 | 1.0 | |
| Normal | 0 | 5.1 | |