Multivariate statistical analysis (Cox's model) excluding eight RER positive patients (45 patients)
| Variable | No of surviving patients | No of dead patients | Relative risk of death from cancer4-150 (95% CI) | p Value |
| Stage | ||||
| II-III | 8 | 12 | 1 | — |
| IV | 5 | 20 | 4.54 (2.08—9.94) | 0.0001 |
| 17p | ||||
| No loss | 11 | 6 | 1 | — |
| Loss | 2 | 26 | 7.78 (2.91—20.84) | 0.0001 |
↵4-150 Hazard ratio adjusted for age, sex, macroscopy, size, grade, stage, nodal metastases, p53 gene mutation, and chromosome18q LOH status.