Table 5. Disease free survival and overall survival: multivariate analysis.
| Variables | Odds ratio | 95% CI | P value |
|---|---|---|---|
| Disease-free survival: Cox regression model | |||
| Lymph node metastasis | |||
| Absent | 1 | ||
| Present | 3.03 | 1.49–6.17 | 0.002 |
| Tumour differentiation | |||
| Well/moderate | 1 | ||
| Poor | 2.40 | 1.14–5.05 | 0.021 |
| CXCR4a EI score | |||
| Low | 1 | ||
| High | 1.86 | 0.99–3.49 | 0.054 |
| Overall survival: Cox regression model | |||
| Lymph node metastasis | |||
| Absent | 1 | ||
| Present | 2.88 | 1.34–6.21 | 0.007 |
| Tumour differentiation | |||
| Well/moderate | 1 | ||
| Poor | 2.24 | 0.95–5.49 | 0.11 |
| CXCR4 EI scorea | |||
| Low | 1 | ||
| High | 2.54 | 1.27–5.10 | <0.001 |
CI=Confident interval.
a
The analysis of the CXCR4 EI score as a continuous variable did not modify results of the multivariate analysis.