Table 1 Clinicopathological features of 378 patients who were treated with preoperative chemotherapy
Parameters (n = 378) | Number of patients (%) |
|---|---|
Age (years old) | 56 (24–78) |
Tumor size (mm) | 28.7 (9.2–119.8) |
Skin infiltration Negative / Positive | 318 (84.1%) / 60 (15.9%) |
Lymph node metastasis N0 / N1 / N2 / N3 | 132 (34.9%) / 140 (37.0%) / 71 (18.8%) / 35 (9.3%) |
Estrogen receptor Negative / Positive | 223 (59.0%) / 155 (41.0%) |
Progesterone receptor Negative / Positive | 301 (79.6%) / 77 (20.4%) |
HER2 Negative / Positive | 238 (63.0%) / 140 (37.0%) |
Ki67 ≤ 14% / > 14% | 121 (32.0%) / 257 (68.0%) |
Intrinsic subtype HRBC / HER2BC / TNBC | 159 (42.1%) / 93 (24.6%) / 126 (33.3%) |
Objective response rate Non-Responders / Responders | 41 (10.8%) / 337 (89.2%) |
Pathological response Non-pCR / pCR | 250 (66.1%) / 128 (33.9%) |
TILs Low / High | 209 (55.3%) / 169 (44.7%) |
Body mass index (kg/m2) | 21.9 (14.3–38.5) |
Body mass index categorized Underweight / Normal / Overweight / Obese | 49 (13.0%) / 244 (64.5%) / 66 (17.5%) / 19 (5.0%) |