Table 2. Different prognostic parameters in relation to CK5/6-positive and negative expression.
| Clinical parameters | CK5/6 expression | P-value | |
| Positive (n = 19) | Negative (n = 66) | ||
| Lymphovascular invasion | 8 (42%) | 12 (18%) | 0.035 |
| Perineural invasion | 0 (0%) | 11(16%) | >0.05 |
| Histological grade | |||
| I | 0 (0%) | 0 (0%) | |
| II | 8 (42%) | 36 (54.5%) | >0.05 |
| III | 11 (57.8%) | 30 (45%) | >0.05 |
| Pathological stage | |||
| pT1 | 0 (0%) | 4 (0.06%) | >0.05 |
| pT2 | 5 (25%) | 32 (42%) | >0.05 |
| pT3 | 11 (57.8%) | 22 (33%) | 0.049 |
| pT4 | 4 (15.7%) | 8 (12%) | >0.05 |
| Regional lymph node status | 12 (63%) | 28 (42%) | >0.05 |