Table 1.

Patients' characteristics by race/ethnicity in the functional proteomics cohort

TotalBlackHispanicWhiteOther
N (%)N (%)N (%)N (%)N (%)
Characteristic255 (100%)46 (18.1%)47 (18.4%)147 (57.6%)15 (5.9%)P
Age at diagnosis
 Minimum2323242829
 Median5051.5455152
 Maximum85857777650.0063
Subtype
 Hormone receptor–positive139 (54.51%)18 (39.13%)26 (55.32%)86 (58.50%)9 (60.00%)
 HER2-positive53 (20.78%)7 (15.22%)15 (31.91%)27 (18.37%)4 (26.67%)
 Triple negative63 (24.71%)21 (45.65%)6 (12.77%)34 (23.13%)2 (13.33%)0.0006
Menopausal status
 Pre/perimenopausal121 (47.45%)19 (41.30%)31 (65.96%)63 (42.86%)8 (53.33%)
 Postmenopausal130 (50.98%)25 (54.35%)15 (31.91%)83 (56.46%)7 (46.67%)0.309
Histology
 Ductal226 (88.63%)41 (89.13%)39 (82.98%)134 (91.16%)12 (80.00%)
 Other29 (11.37%)5 (10.87%)8 (17.02%)13 (8.84%)3 (20.00%)0.254
Nuclear grade
 112 (4.71%)2 (4.35%)2 (4.26%)7 (4.76%)1 (6.67%)
 272 (28.24%)7 (15.22%)16 (34.04%)46 (31.29%)3 (20.00%)
 3167 (65.49%)37 (80.43%)29 (61.70%)92 (62.59%)9 (60.00%)0.3111
Stage
 I105 (41.18%)21 (45.65%)11 (23.40%)67 (45.58%)6 (40.00%)
 II65 (25.49%)8 (17.39%)16 (34.04%)40 (27.21%)1 (6.67%)
 III51 (20.00%)11 (23.91%)13 (27.66%)23 (15.65%)4 (26.67%)
 IV8 (3.14%)1 (2.17%)2 (4.26%)5 (3.40%)0 (0.00%)0.089