Clinicopathological characteristics
| Patients | All (280) | TNBC (78) | NTNBC (202) | P value | |
| Age | Mean | 59 | 60 | 58 | 0.0585 |
| Range | 32–92 | 32–82 | 33–92 | ||
| Intraductal component | Present | 171 | 30 | 141 | 0.0004 |
| Absent | 109 | 48 | 61 | ||
| Nuclear grade | 1 or 2 | 140 | 12 | 128 | 0.0001 |
| 3 | 140 | 66 | 74 | ||
| Ki-67 LI (%) | Mean | 26.9 | 41.5 | 21.3 | 0.0001 |
| Range | 0–90.3 | 5.7–88.1 | 0–90.3 | ||
| pT | 1 | 134 | 26 | 108 | 0.0175 |
| 2 | 129 | 47 | 82 | ||
| 3 | 17 | 5 | 12 | ||
| 4 | 0 | 0 | 0 | ||
| lymph node metastasis | Positive | 91 | 30 | 61 | 0.1857 |
| Negative | 189 | 48 | 141 | ||
| pStage | I | 94 | 15 | 79 | 0.0049 |
| II | 174 | 59 | 115 | ||
| III | 12 | 4 | 8 | ||
| IV | 0 | 0 | 0 |
NTNBC, non-triple-negative breast cancer; TNBC, triple-negative breast cancer.