Table 1 Clinicopathologic characteristic of patients
Characteristics | N of patients | Percent |
|---|---|---|
HYSTOLOGY | Â | Â |
 IDC | 2140 | 87.0 |
 ILC | 320 | 13.0 |
GRADING | Â | Â |
 G1 | 389 | 15.8 |
 G2 | 1395 | 56.7 |
 G3 | 676 | 27.5 |
ER | Â | Â |
 pos | 2213 | 90.0 |
 neg | 247 | 10.0 |
PgR | Â | Â |
 pos | 1984 | 80.6 |
 neg | 476 | 19.4 |
HER2 | Â | Â |
 pos | 162 | 6.5 |
 neg | 2298 | 93.5 |
Ki67 | Â | Â |
 low | 1271 | 51.7 |
 high | 1189 | 48.3 |
T | Â | Â |
 ≤12 | 638 | 25.9 |
 ≥13–18 | 676 | 27.5 |
 ≥19–25 | 642 | 26.1 |
 >25 | 504 | 20.5 |
TYPEa | Â | Â |
 multiple | 378 | 15.4 |
 single | 2082 | 84.6 |
LVI | Â | Â |
 no | 1397 | 56.8 |
 yes | 1063 | 43.2 |
Luminal A | 1185 | 48.1 |
Luminal B | 982 | 39.9 |
HER2-like | 46 | 1.9 |
Triple Negative | 247 | 10.1 |