Prediction of relative risks of various prognostic factors using concentrations of soluble E-cadherin higher than the cut off value (> 7025 ng/ml)
| Factor | Category | Relative risk | p Value | Confidence interval |
| T | T4v T1 or T2 or T3 | 1.30 | 0.020 | 1.008–1.668 |
| N | N2 v N0 or N1 | 1.41 | 0.064* | 0.944–2.118 |
| M | M1v M0 | 1.33 | 0.073* | 0.954–1.859 |
| Staging | Stage III or IV v stage I or II | 1.55 | 0.164 | 0.82–2.913 |
| Operability | Palliative/conservative voperable | 1.62 | 0.023 | 1.038–2.514 |
T, tumour; N, lymph node; M, metastasis.
p<0.05 is considered statistically significant and is indicated by bold type; p<0.1 but >0.05 is considered approaching statistical significance and is indicated by an asterisk.