Table 2. Five-year overall survival rate of patients with ECC according to various clinicopathological parameters.
| n | Univariable | Multivariable | ||||
|---|---|---|---|---|---|---|
| 5-year OS | P value | Risk Ratio | 95% CI | P value | ||
| Sex | ||||||
| Male | 42 | 65.2% | 0.348 | |||
| Female | 8 | 85.7% | ||||
| Age | ||||||
| <65 | 30 | 65.1% | 0.621 | |||
| ≥65 | 20 | 73.7% | ||||
| Tumor size (mm) | ||||||
| <50 | 31 | 70.0% | 0.518 | |||
| ≥50 | 19 | 67.7% | ||||
| Histology type | ||||||
| Well/Moderate | 35 | 70.0% | 0.701 | |||
| Poor | 15 | 65.5% | ||||
| Lymphatic invasion | ||||||
| Negative | 22 | 76.2% | 0.254 | 2.685 | 0.859-9.438 | 0.0903 |
| Positive | 18 | 62.3% | ||||
| Venous invasion | ||||||
| Negative | 26 | 79.3% | 0.075 | 3.174 | 1.014-11.017 | 0.0473# |
| Positive | 24 | 56.7% | ||||
| pT | ||||||
| pT1 | 19 | 78.9% | 0.096 | 3.659 | 1.044-17.219 | 0.0423# |
| pT2-4 | 31 | 62.5% | ||||
| pN | ||||||
| pN0 | 19 | 68.4% | 0.289 | 2.167 | 0.664-8.461 | 0.2060 |
| pN1-3 | 31 | 58.1% | ||||
| AQP1 | ||||||
| Other | 30 | 83.2% | 0.013* | 4.761 | 1.567-16.289 | 0.0058# |
| Cytoplasm dominant | 20 | 47.1% | ||||
pT: pathological T stage, pN: pathological N stage
*p < 0.05: Log-rank test.
#p < 0.05: Cox's proportional hazards model; 95% CI: 95% confidence interval.