Comparison of IHC outcomes between pre-chemotherapy and post-chemotherapy (%, n).
| Positive rate in CNB (pre-chemotherapy) | Positive rate in surgical section (post-chemotherapy) | χ2 | P | |
|---|---|---|---|---|
| p53 | 33.33 (29/87) | 31.03 (27/87) | 0.112 | > 0.05 |
| ER | 64.36 (56/87) | 66.67 (58/87) | 0.102 | > 0.05 |
| PR | 56.32 (49/87) | 64.36 (56/87) | 1.177 | > 0.05 |
| c-erbB-2 | 41.37 (36/87) | 45.98 (40/87) | 0.374 | > 0.05 |