Table 5.
Cox regression analysis of prognostic factors in patients with EC.
| B | SE | Wald | df | Sig. | Exp (B) | 95.0% CI for Exp (B) | ||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Age | 0.566 | 0.356 | 2.522 | 1 | 0.112 | 1.761 | 0.876 | 3.541 |
| Differentiation degree | 0.442 | 0.584 | 0.573 | 1 | 0.449 | 1.556 | 0.495 | 4.893 |
| Tumor size | 0.136 | 0.415 | 0.108 | 1 | 0.743 | 1.146 | 0.508 | 2.585 |
| Lymph node metastasis | 0.691 | 0.453 | 2.324 | 1 | 0.127 | 1.996 | 0.821 | 4.852 |
| TNM staging | 0.700 | 0.420 | 2.783 | 1 | 0.095 | 2.014 | 0.885 | 4.587 |
| WIF-1 | 1.490 | 0.538 | 7.664 | 1 | 0.006 | 4.435 | 1.545 | 12.731 |
| RASS | 1.210 | 0.462 | 6.851 | 1 | 0.009 | 3.353 | 1.355 | 8.295 |
| CDH13 | 0.875 | 0.427 | 4.198 | 1 | 0.040 | 2.398 | 1.039 | 5.536 |
B – regression coefficient; S.E. – standard error; Wald – the statistical interference of partial regression coefficients; df – free degree; Sig. – significant level; Exp (B) – index of regression coefficient; WIF-1 – Wnt inhibitory factor-1; RASSF1A – ras-association domain family member 1A; CDH13 – Cadherin 13; EC – esophageal cancer; CI – confidence interval.