Table 4.
Characteristics of patients and tissue subgroups stratified by HR and HER2 status
| Tissue subgroups | No. of samples (%) | Patient age (years) | |
|---|---|---|---|
| Mean (Median) | Range | ||
| DCIS | 64 (100%) | 55.9 (57) | 29-80 |
| DCIS (ER+)a | 38 (59.4%) | 53.9 (54) | 29-80 |
| DCIS (HER2+)b | 15 (23.4%) | 55.9 (57) | 35-69 |
| DCIS (TN)c | 11 (17.2%) | 62.5 (64) | 55-74 |
| IDC | 76 (100%) | 56.1 (56) | 28-88 |
| IDC (ER+)a | 38 (50.0%) | 57.8 (56) | 29-88 |
| IDC (HER2+)b | 14 (18.4%) | 53.4 (53) | 32-88 |
| IDC (TN )c | 24 (31.6%) | 54.9 (58) | 28-77 |
aER -positive subgroups include ER+/PR+/-/HER2 – tumors; bHER2–positive subgroups include ER+/-/PR+/-/HER2+ tumors; c TN subgroups include ER-/PR-/HER2-.