| EGFR-DA | ||||
| – | + | p Value | OR | |
| Age (years) | NS | |||
| ⩽50 | 64 | 16 | 1 | |
| >50 | 82 | 18 | 0.88 | |
| Tumour size (cm) | NS | |||
| <2.0 | 69 | 14 | 1 | |
| ⩾2.0 | 69 | 20 | 1.43 | |
| Histological grade | <0.0005 | |||
| Grade 1 | 49 | 3 | 1 | |
| Grade 2 | 66 | 12 | 2.97 | |
| Grade 3 | 31 | 19 | 10.01 | |
| Nodal status | NS | |||
| Negative | 64 | 17 | 1 | |
| Positive | 66 | 16 | 0.91 | |
| ER | <0.0005 | |||
| Negative | 45 | 29 | 1 | |
| Positive | 101 | 5 | 0.08 | |
| PR | <0.0005 | |||
| Negative | 20 | 16 | 1 | |
| Positive | 75 | 9 | 0.15 | |
| HER2 | NS | |||
| Negative | 127 | 28 | 1 | |
| Positive | 19 | 6 | 1.43 | |
| CK5/6 | <0.0005 | |||
| Negative | 99 | 7 | 1 | |
| Positive | 46 | 27 | 8.30 | |
| P-cadherin | <0.0005 | |||
| Negative | 112 | 9 | 1 | |
| Positive | 34 | 25 | 9.15 | |
| BRCA mutations | <0.0005 | |||
| Negative | 134 | 23 | 1 | |
| BRCA1+ | 7 | 11 | 9.16 | |
| BRCA mutations | NS | |||
| Negative | 134 | 23 | 1 | |
| BRCA2+ | 5 | 0 | 0.30* | |
*Peto odds ratio.
CK, cytokeratin; EFGR, epidermal growth factor receptor; ER, oestrogen receptor; NS, not significant; OR, odds ratio; PR, progesterone receptor.