| Biological markers | NAC invasion | Test | p-value (Sig.) | |||
| Absent (N = 50) | Present (N = 11) | |||||
| ER |
|
|
|
|
|
|
| Negative | 9 | 18% | 10 | 90.9% | 22.349‡ | <0.001 (HS) |
| Positive | 41 | 82% | 1 | 9.1% | ||
| PR |
|
|
|
|
|
|
| Negative | 12 | 24% | 8 | 72.7% | 9.715‡ | 0.004 (S) |
| Positive | 38 | 76% | 3 | 27.3% | ||
| HER2/neu overexpression |
|
|
|
|
|
|
| Negative | 46 | 92% | 1 | 9.1% | 35.049‡ | <0.001 (HS) |
| Positive | 4 | 8% | 10 | 90.9% | ||