Table 1 Molecular subtypes of breast cancer for those with PCR and the entire data ISPY-1 data set
Characteristics | PCR dataset n = 166 (%) | I-SPY 1 available data n = 221 (%) |
|---|---|---|
Age ± SD (years) | 48.20 ± 8.88 | 48.25 ± 8.89 |
Caucasian | Â | 165 (74.66%) |
African American | Â | 42 (19.00%) |
Asian | Â | 9 (4.07%) |
Native Hawaiian/Pacific Islander | Â | 1 (0.45%) |
American Indian/Alaskan Native | Â | 0 (0.00%) |
Multiple race | Â | 2 (0.90%) |
ER | ||
 ER+ | 95 (57.23) | 125 (56.60) |
 ER− | 71 (42.77) | 94 (42.53) |
 Missing |  | 2 (0.90) |
PgR | ||
 PgR+ | 76 (45.78) | 104 (47.05) |
 PgR− | 90 (54.22) | 117 (52.94) |
 Missing |  | 2 (0.90) |
HR | ||
 HR+ | 100 (60.24) | 131 (59.28) |
 HR− | 66 (39.76) | 90 (40.72) |
 Missing |  | 2 (0.90) |
HER2 | ||
 HER2+ | 49 (29.52) | 67 (30.32) |
 HER2− | 117 (70.48) | 149 (6.74) |
 Missing |  | 5 (2.26) |
3 level HR/HER2 | ||
 HR+/HER2− | 74 (44.57) | 96 (43.44) |
 HER2+ | 49 (29.51) | 67 (30.32) |
 Triple− | 40 (24.09) | 53 (23.99) |
 Missing |  | 5 (2.26) |