Prognostic significance for survival of commonly available criteria at the time of diagnosis (log rank test and Cox model)
| Variable studied | Relative risk | 95% CI | p Value |
| Univariate analysis | |||
| Age | NA | NA | NS |
| Bilirubinaemia | NA | NA | NS |
| Liver metastases | NA | NA | NS |
| Percentage weight loss | NA | NA | p<0.05 |
| Sex | NA | NA | NS |
| Tumour size | NA | NA | p<0.01 |
| Type of primary tumour | NA | NA | NS |
| Multivariate analysis | |||
| Weight loss | NA | NA | NS |
| Tumour size <30 mm | 1 | NA | NA |
| Tumour size ⩾30 mm | 2.5 | 1.4–4.3 | p<0.01 |