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Univariate survival analysis by cytokeratin 7 status
| Entire cohort | Overall survival | Disease specific survival |
|---|---|---|
| Cytokeratin 7 (positive versus negative) | p = 0.7 | p = 0.7 |
| Nonoropharyngeal SCC | Overall survival | Disease specific survival |
|---|---|---|
| Cytokeratin 7 (positive versus negative) | p = 0.1 | p = 0.8 |
| Oropharyngeal SCC | Overall survival | Disease specific survival |
|---|---|---|
| Cytokeratin 7 (positive versus negative) | p = 0.4 | p = 0.8 |
SCC squamous cell carcinoma
