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Results of multivariate analysis (Cox regression) to determine the independent prognostic value of different variables in relation to tumour-specific overall survival in the complete cohort
| Covariate | Relative risk | 95 % CI | p value |
|---|---|---|---|
| p62 | 0.764 | NS | 0.619 |
| Histological grading | 1.239 | NS | 0.392 |
| Lymph node metastases | 0.794 | NS | 0.510 |
| Tumour stage | 1.647 | NS | 0.141 |
| Distant metastases | 3.176 | 1.453-6.940 | 0.004 |
NS statistically not significant
