Table 3.
Cox regression analyses of overall survival (OS) and BPTF, vimentin, E-cadherin expression levels as well as clinicopathological factors in patients with CRC
| Variables | Cases (n) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| HR (95 % CI) | P | HR (95 % CI) | P | ||
| Age | |||||
| ≤60 | 64 | 1 | 1 | ||
| >60 | 41 | 1.073 (0.537–1.405) | 0.496 | 1.113 (0.733–1.379) | 0.594 |
| Gender | |||||
| Male | 65 | 1 | 1 | ||
| Female | 40 | 0.733 (0.314–1.216) | 0.638 | 0.905 (0.633–1.592) | 0.273 |
| Tumor size (cm) | |||||
| ≤5 | 62 | 1 | 1 | ||
| >5 | 43 | 1.529 (0.934–2.881) | 0.093 | 1.414 (0.732–1.987) | 0.154 |
| Histology grade | |||||
| Low (G1–G2) | 70 | 1 | 1 | ||
| High (G3–G4) | 35 | 1.475 (0.588–2.243) | 0.208 | 1.319 (0.772–1.846) | 0.351 |
| UICC stage | |||||
| I/II | 61 | 1 | 1 | ||
| III/IV | 44 | 2.933 (1.384–5.962) | 0.001 | 2.285 (1.414–4.737) | 0.008 |
| Nodal metastasis | |||||
| Negative | 61 | 1 | 1 | ||
| Positive | 44 | 2.538 (1.227–4.913) | 0.005 | 2.712 (1.334–5.216) | 0.003 |
| Recurrence | |||||
| Negative | 68 | 1 | 1 | ||
| Positive | 37 | 3.476 (1.932–6.062) | 0.001 | 2.937 (0.971–5.136) | 0.001 |
| BPTF expression | |||||
| Low | 34 | 1 | 1 | ||
| High | 71 | 1.974 (0.812–3.285) | 0.011 | 1.836 (0.692–3.735) | 0.018 |
| Vimentin expression | |||||
| Low | 46 | 1 | 1 | ||
| High | 59 | 2.038 (1.142–3.795) | 0.010 | 1.573 (0.792–2.133) | 0.084 |
| E-cadherin expression | |||||
| High | 27 | 1 | 1 | ||
| Low | 78 | 1.916 1.155–4.038) | 0.023 | 1.633 (0.583–2.977) | 0.059 |
CI confidence interval, HR hazard ratio
Significant results (P < 0.05) are given in bold