Multivariate analysis with Cox's proportional hazards model for CD44v2 status and clinicopathological indexes in patients without lymph node metastasis
| HR | 95% CI | p Value | |
| CD44 v2 status (negativev positive) | 4.729 | 1.108 to 20.183 | 0.036 |
| pT (1 v 2 and 3) | 1.487 | 0.609 to 3.630 | 0.758 |
| Histology (poorv well and moderate) | 1.105 | 0.356 to 3.430 | 0.863 |
| Vessel invasion (positivev negative) | 0.973 | 0.385 to 2.455 | 0.954 |