Table 1:
Study Population Demographics and Tumor Characteristics
| Study Population Demographics | NHW n (%) | AA n (%) | Asian n (%) | Latina n (%) | Total n (%) |
|---|---|---|---|---|---|
| Individuals1 | 1931 (65%) | 258 (9%) | 715 (24%) | 60 (2.0%) | 2964 |
| Breast Cancer dx age available2 | 1461 (76%) | 162 (63%) | 286 (40%) | 60 (100%) | 1969 (66%) |
| Age range (years) | 21– 96 | 24 −84 | 26–90 | 31–72 | 21–90 |
| Median age (years) | 56 | 49 | 47 | 52 | |
| p-value | [Ref] | <0.0001 | <0.0001 | 0.0161 | |
| Tumor Characteristics 2 | |||||
| ER+ | 553 (49%) | 54 (36%) | 60 (42%) | 37 (62%) | 704 (47.5%) |
| ER− | 575 (51%) | 95 (64%) | 84 (58%) | 23 (38%) | 777 (52.5%) |
| No ER data | 803 | 109 | 571 | 0 | 1483 |
| Non-TNBC | 660 (64%) | 47 (51%) | 31 (69%) | 44 (77%) | 782 (64%) |
| TNBC | 366 (36%) | 46 (49%) | 14 (31%) | 13 (23%) | 439 (36%) |
| No TNBC data | 905 | 165 | 670 | 3 | 1743 |
NHW, non-Hispanic White, AA, African ancestry; n, number; % percentage; ref, reference population; dx, diagnosis
1
Percentages were calculated for participants in the study for each racial/ethnic group category
2
Percentages for age at diagnosis and tumor characteristics were calculated only including individuals for whom marker information was available within each racial/ethnic group category