Characteristics | Number of patients (%) | |
---|---|---|
Age (years) | ||
<40 | 33 | (15.6) |
≥40 | 179 | (84.4) |
Histology | ||
Invasive ductal | 205 | (96.7) |
Invasive lobular | 7 | (3.3) |
Tumor stage | ||
T1--T2 | 199 | (93.9) |
T3--T4 | 13 | (6.1) |
Nodal stage | ||
N0 | 106 | (50.0) |
N1--N3 | 106 | (50.0) |
Histologic grade | ||
Grade I--II | 116 | (54.7) |
Grade III | 89 | (42.0) |
ER | ||
Negative | 70 | (33.0) |
Positive | 142 | (67.0) |
PR | ||
Negative | 113 | (53.3) |
Positive | 99 | (46.7) |
HER2 | ||
Negative | 168 | (79.2) |
Positive | 44 | (20.8) |
Ki-67 index | ||
<10% | 120 | (56.6) |
≥10% | 91 | (42.9) |