Table 2.
Correlation of Slug scores and various biomarker scores obtained with routine immunohistochemistry in tumor specimens of head and neck cancer (HNC) patients.
| Marker | Number of Available Samples * | Spearman’s Rho | p-Value |
|---|---|---|---|
| Ki67 | 354 | 0.148 | 0.005 |
| p16 | 354 | −0.133 | 0.012 |
| CA-IX | 175 | 0.285 | <0.001 |
| CD44 | 160 | 0.176 | 0.026 |
| Survivin | 138 | 0.259 | 0.002 |
| ERCC1 | 117 | 0.262 | 0.004 |
| MMP9 | 352 | 0.190 | <0.001 |
* The number of available samples is highly variable due to modifications in our routine immunohistochemistry staining procedure over the last years, which was continuously adapted to reflect recent scientific data.