Table 3 Association of clinicopathological characteristics and pCR
Variables | pCR events (%) | p-value* |
|---|---|---|
Age | ||
≤ 50 years | 23/151 (15.23) | 0.789 |
> 50 years | 21/128 (16.41) | |
cT1–2 | 21/72 (27.14) | 0.026 |
cT3–4 | 14/100 (13.40) | |
cN0 | 9/25 (25.7) | 0.111 |
cN1–3 | 26/123 (21.1) | |
HR+/HER2− | 17/131 (13) | 0.069 |
Other subtypes | 25/116 (21.55) | |
Grade | ||
G2 | 28/173 (16.18) | 0.136 |
G3 | 6/21 (28.57) | |
LVI | ||
No | 17/74 (22.97) | 0.07 |
Yes | 3/35 (8.57) | |
Ki-67 | ||
Low index | 21/92 (22.83) | 0.05 |
High index | 14/35 (41.18) | |
Neoadjuvant chemotherapy | 0.014 | |
Optimal ≥ 6 cycles | 34/153 (22.22) | |
Suboptimal < 6 cycles | 6/70 (8.57) | |