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| Prognostic parameters | EGFR | P value | CK5/6 | P value | ||
|---|---|---|---|---|---|---|
| Tumour stage | ||||||
| Stage I | 5 | 0 | >0.05 | 2 | 3 | >0.05 |
| Stage II | 12 | 4 | 11 | 5 | ||
| Stage III | 12 | 1 | 7 | 6 | ||
| Stage IV | 2 | 0 | 2 | 0 | ||
|
| ||||||
| Margins | ||||||
| Infiltrative | 22 | 3 | >0.05 | 13 | 12 | >0.05 |
| Pushing margin | 9 | 2 | 9 | 2 | ||
|
| ||||||
| Necrosis | ||||||
| Present | 12 | 4 | >0.05 | 11 | 5 | >0.05 |
| Absent | 19 | 1 | 11 | 9 | ||
|
| ||||||
| Infiltrate | ||||||
| Present | 20 | 3 | >0.05 | 15 | 8 | >0.05 |
| Absent | 11 | 2 | 7 | 6 | ||
|
| ||||||
| Lymph node metasatases | ||||||
| Absent | 11 | 1 | >0.05 | 6 | 6 | >0.05 |
| 1 to 3 | 11 | 3 | 11 | 3 | ||
| >4 | 9 | 1 | 5 | 5 | ||
|
| ||||||
| Ki-67 | ||||||
| Positive | 25 | 4 | >0.05 | 16 | 13 | >0.05 |
| Negative | 6 | 1 | 6 | 1 | ||
