Table 1 Patient characteristics according to pathological response
Characteristics | All (n = 40) Number (%) | pCR (n = 21) Number (%) | Non-pCR (n = 19) Number (%) | P-value |
|---|---|---|---|---|
Age at diagnosis (median, y) | 50.5 | 51 | 50.0 | 0.935 |
≥ 50 | 21 (52.5) | 11 (52.4) | 10 (52.6) | 0.987 |
< 50 | 19 (47.5) | 10 (47.6) | 9 (47.4) | |
Menopausal status | 0.516 | |||
Pre- | 21 (52.5) | 10 (47.6) | 11 (57.9) | |
Post- | 19 (47.5) | 11 (52.4) | 8 (42.1) | |
Laterality | 0.726 | |||
Left | 18 (45.0) | 10 (47.6) | 8 (42.1) | |
Right | 22 (55.0) | 11 (52.4) | 11 (57.9) | |
T stage* | 0.105 | |||
cT1 | 1 (2.5) | 0 (0) | 1 (5.3) | |
cT2 | 21 (52.5) | 9 (42.9) | 12 (63.1) | |
cT3 | 9 (22.5) | 5 (23.8) | 4 (21.1) | |
cT4 | 9 (22.5) | 7 (33.3) | 2 (10.5) | |
N stage# | 0.666 | |||
cN1 | 14 (35.0) | 8 (38.1) | 6 (31.6) | |
cN2 | 18 (45.0) | 8 (38.1) | 10 (52.6) | |
cN3 | 8 (20.0) | 5 (23.8) | 3 (15.8) | |
ER | 0.115 | |||
Positive | 29 (72.5) | 13 (61.9) | 16 (84.2) | |
Negative | 11 (27.5) | 8 (38.1) | 3 (18.8) | |
PR | 0.119 | |||
Positive | 18 (45.0) | 7 (33.3) | 11 (57.9) | |
Negative | 22 (55.0) | 14 (66.7) | 8 (42.1) | |
Ki67 | 1.000 | |||
≥ 20 | 35 (87.5) | 18 (85.7) | 17 (89.4) | |
< 20 | 5 (12.5) | 3 (14.3) | 2 (10.5) |