Table 4.
Univariate and multivariate analysis for disease-free survival (DFS).
| Univariate Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|
| Primary tumor location | Lower third vs. upper/mid third | p | HR | 95% CI | p |
| 0.725 | - | - | - | ||
| T-stage | cT1/cT2/cT3 vs. cT4 | 0.087 | 1.19 | 0.43–3.30 | 0.733 |
| N-stage | cN0 vs. cN+ | 0.571 | - | - | - |
| GTV | ≤33.86 cc vs. >33.86 cc | 0.003 | 0.338 | 0.14–0.83 | 0.017 |
| Age | ≤ 65.5 vs. > 65.5 | 0.139 | - | - | - |
| CEA | ≤ 3.88 vs. > 3.88 | 0.16 | - | - | - |
| Grading | G3 vs. G1/G2 | 0.133 | - | - | - |
| CRP | ≤ 0.26 vs. > 0.26 | 0.324 | - | - | - |
| NLR | ≤ 4.06 vs. > 4.06 | 0.001 | 0.3 | 0.11–0.81 | 0.017 |
| Neutrophil count | ≤ 6021 vs. > 6021 | 0.019 | 2.195 | 0.61–7.86 | 0.227 |
| Leukocyte count | ≤ 8120 vs. > 8120 | 0.023 | 0.375 | 0.13–1.10 | 0.074 |
GTV: gross tumor volume; The bold was added to highlight the only two statistically significant variables in multivariate analysis.