Table 2.
Immunochemical data and molecular subtype features of the cohort (n = 1010)
| Parameters | Number (%) |
|---|---|
| ER positivity scorea | |
| 0 | 340 (33.7) |
| 0–10% | 31 (3.1) |
| ≥10% | 639 (63.2) |
| PR positivity scorea | |
| 0 | 477 (47.2) |
| 0–10% | 20 (2.0) |
| ≥ 10% | 513 (50.8) |
| Her-2 | |
| Positive | 356 (35.2) |
| Negative | 514 (50.9) |
| Unknown | 140 (13.9) |
| Ki67 | |
| < 14% | 295 (29.2) |
| ≥ 14% | 715 (70.8) |
| Molecular subtypeb | |
| Luminal | 372 (36.8) |
| Luminal/HER2 | 170 (16.8) |
| HER2 | 186 (18.4) |
| TN | 142 (14.1) |
| Unknown | 140 (13.9) |
ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2
aPositive ≥ 1%
bLuminal: HR+/HER2−, luminal/HER2: HR+/HER2+, HER2: HR−/HER2+, TN: HR−/HER2−