Table 4.
Univariate and multivariate survival analysis for patients with ESCC.
| Characteristic | HR | 95% CI | P value |
|---|---|---|---|
| Univariate analysis | |||
| Age (<65 vs≧65) | 1.457 | 0.813-2.610 | 0.206 |
| Sex (Male vs Female) | 0.674 | 0.355-1.278 | 0.226 |
| Location (Upper/Middle vs Lower) | 1.032 | 0.565-1.888 | 0.918 |
| Differentiation (Grade 1 vs Grade 2/3) | 2.191 | 1.059-4.536 | 0.035 |
| pT category (T1-2 vs T3-4) | 1.549 | 0.817-2.936 | 0.180 |
| pN category (N0-1 vs N2-3) | 1.997 | 1.089-3.664 | 0.025 |
| Id3 expression (Low vs High) | 3.243 | 1.566-6.718 | 0.002 |
| Multivariate analysis | |||
| Differentiation (Grade 1 vs Grade 2/3) | 1.645 | 0.779-3.473 | 0.192 |
| pN category (N0-1 vs N2-3) | 1.513 | 0.813-2.814 | 0.191 |
| Id3 expression (Low vs High) | 2.776 | 1.321-5.830 | 0.007 |
95% CI = 95% confidence interval; HR = Hazard Risk.