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Race according to biomarkers
| Biomarker | Race | P valuea | |
| Caucasian | African-American | ||
| ER positive | 58/109 (53%) | 13/32 (41%) | 0.21 |
| HER2 positive | 27/121 (22%) | 3/34 (9%) | 0.08 |
| Triple negative | 26/121 (21%) | 16/34 (47%) | 0.003 |
aP values were obtained using a test of proportions. ER, estrogen receptor.
