| Histologic type and molecular features | CK7 negative | CK7 positive | P-value | GATA3 negative | GATA3 positive | P-value |
|---|
| Ductal | | | 0.7565 | | | <0.001 |
| Grade 3 | 22 (13%) | 147 (87%) | | 47 (27%) | 126 (73%) | |
| Grade 1 & Grade 2 | 11 (12%) | 83 (88%) | | 6 (6%) | 91 (94%) | |
| Lobular & Mixed |
| Grade 3 | 0 | 37 | | 0 | 36 | |
| Grade 1-Grade 2 | 0 | 18 | | 0 | 20 | |
| Metaplastic (all Grade 3) | 3 (30%) | 7 (70%) | | 7 (70%) | 3 (30%) | |
| Cribriform (all Grade 1-Grade 2) | 0 | 5 | | 0 | 6 | |
| Micropapillary (all Grade 1-Grade 2) | 0 | 4 | | 0 | 4 | |
| Mucinous (all Grade 1-Grade 2) | 0 | 5 | | 0 | 5 | |
| Tubular (all Grade 1-Grade 2) | 0 | 3 | | 0 | 3 | |
| Apocrine (Grade 2) | 0 | 1 | | 1 | 0 | |
| ER (Grade 3 only) | | | 0.2822 | | | <0.0001 |
| Positive | 14 (16%) | 72 (84%) | | 2 (2%) | 89 (98%) | |
| Negative | 11 (10%) | 95 (90%) | | 52 (50%) | 52 (50%) | |
| PR (Grade 3 only) | | | 0.0270 | | | <0.0001 |
| Positive | 15 (20%) | 61 (80%) | | 5 (6%) | 74 (94%) | |
| Negative | 10 (9%) | 106 (91%) | | 49 (42%) | 67 (58%) | |
| Her2 (Grade 3 only) | | | 0.9434 | | | 0.0826 |
| Positive | 6 (13%) | 39 (87%) | | 9 (18%) | 40 (82%) | |
| Negative | 19 (13%) | 128 (87%) | | 45 (31%) | 101 (69%) | |
| Subtype (Grade 3 only) | | | 0.6154 | | | <0.0001 |
| Luminal | 10 (16%) | 76 (89%) | | 1 (2%) | 63 (98%) | |
| Her2 | 6 (13%) | 39 (87%) | | 9 (18%) | 40 (82%) | |
| Basal-like | 9 (11%) | 76 (90%) | | 44 (54%) | 38 (46%) | |
