Characteristics | All patients (n = 29) | Responders (RCB-0/I, n = 21) | Non-responders (RCB-II/III, n = 8) | p value* |
---|---|---|---|---|
Age | 56.3 (± 12.8) | 56.7 (± 12) | 55.4 (± 15) | 0.83 |
Menopausal status | Â | Â | Â | 0.43 |
 Non-menopausal | 11 (38%) | 7 (33%) | 4 (50%) |  |
 Menopausal | 18 (62%) | 14 (67%) | 4 (50%) |  |
Histological type | Â | Â | Â | 1 |
 IDC | 26 (90%) | 19 (90%) | 7 (88%) |  |
 ILC | 3 (10%) | 2 (10%) | 1 (12%) |  |
 Tumor size (larger diameter—in mm) | 36 ± 24 | 28 ± 15 | 56 ± 32 | 0.04 |
Unifocal | Â | Â | Â | 0.20 |
 Yes | 18 (62%) | 15 (71%) | 3 (38%) |  |
 No | 11 (38%) | 6 (29%) | 5 (62%) |  |
Grade | Â | Â | Â | 1 |
 I | 0 | 0 | 0 |  |
 II | 3 (10%) | 2 (10%) | 1 (12%) |  |
 III | 26 (90%) | 19 (90%) | 7 (88%) |  |
Ki67 | Â | Â | Â | - |
  < 15% | 0 | 0 | 0 |  |
  ≥ 15% | 29 (100%) | 21 (100%) | 8 (100%) |  |
Nodal invasion at diagnosis | Â | Â | Â | 0.68 |
 Yes | 12 (41%) | 8 (38%) | 4 (50%) |  |
 No | 17 (59%) | 13 (62%) | 4 (50%) |  |
Type of NAC | Â | Â | Â | 0.07 |
 EC-T | 27 (93%) | 21 (100%) | 6 (75%) |  |
 EC-T-C | 2 (7%) | 0 | 2 (25%) |  |
Type of breast surgery | Â | Â | Â | 0.01 |
 BCS | 11 (38%) | 11 (52%) | 0 |  |
 Mastectomy | 18 (62%) | 10 (48%) | 8 (100%) |  |
Type of axillary surgery | Â | Â | Â | 0.02 |
 SLNB | 11 (38%) | 11 (52%) | 0 |  |
 ALND | 18 (62%) | 10 (48%) | 8 (100%) |  |
Adjuvant radiotherapy | Â | Â | Â | 0.67 |
 Yes | 20 (69%) | 15 (71%) | 5 (63%) |  |
 No | 9 (31%) | 6 (29%) | 3 (37%) |  |