Table 3.
Clinicopathological features stratified by BrM AR status (AR+ defined as AR expression by IHC ≥ 10%).
| Characteristic | Patients | Number (%) of AR+ Cases | p |
|---|---|---|---|
| Overall | 57 | 32 (56%) | |
| BrM subtype | 0.003 | ||
| Triple negative | 12 | 2 (17%) | |
| HER2+ | 28 | 21 (75%) | |
| HR+/HER2− | 17 | 9 (53%) | |
| Ki-67 expression | 0.02 | ||
| Low (1–24%) | 17 | 8 (47%) | |
| Intermediate (25–49%) | 21 | 16 (76%) | |
| High (≥50%) | 16 | 5 (31%) | |
| Unknown | 3 | 3 (100%) | |
| GATA3 expression | 0.003 | ||
| Negative (0%) | 19 | 6 (32%) | |
| Low (1–24%) | 4 | 0 (0%) | |
| Intermediate (25–49%) | 6 | 4 (67%) | |
| High (≥50%) | 25 | 19 (76%) | |
| Unknown | 3 | 3 (100%) | |
| Age at BrM (years) | 0.64 | ||
| <50 | 23 | 14 (61%) | |
| ≥50 | 33 | 17 (52%) | |
| Unknown | 1 | 1 (100%) | |
| BrM location | 0.95 | ||
| Frontal | 15 | 8 (53%) | |
| Parietal | 13 | 8 (62%) | |
| Temporal | 3 | 2 (67%) | |
| Cerebellar | 25 | 14 (56%) | |
| Occipital | 1 | 0 (0%) | |
| BrM size (cm) | 0.25 | ||
| <3.0 | 26 | 12 (46% | |
| ≥3.0 | 27 | 19 (70%) | |
| Unknown | 4 | 1 (25%) | |
| BrM grade | 0.29 | ||
| 1 | 16 | 7 (44%) | |
| 2 | 20 | 14 (70%) | |
| 3 | 15 | 5 (33%) | |
| Unknown | 6 | 6 (100%) | |