Table 2.
Multivariate Cox proportional hazards regression analysis for disease-free survival (DFS) and overall survival (OS).
| Variable | Disease-free survival | Overall survival | ||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Age | 1.96 (1.32–2.91) | 0.0009 | ||
| pT stage | 0.65 (0.35–1.24) | 0.1934 | 1.92 (0.96–3.83) | 0.0640 |
| pN stage | ||||
| N1 vs. N0 | 1.16 (0.66–2.05) | 0.6087 | 1.69 (0.96–2.98) | 0.0707 |
| N2 vs. N0 | 3.49 (2.03–6.02) | <0.0001 | 5.50 (3.05–9.92) | <0.0001 |
| Lymphatic infiltration | ||||
| Present vs. absent | 0.74 (0.38–1.46) | 0.3882 | 0.77 (0.40–1.49) | 0.4385 |
| Vascular infiltration | ||||
| Present vs. absent | 2.08 (1.18–3.65) | 0.0108 | ||
| CEA | 1.75 (1.36–2.27) | <0.0001 | 1.40 (1.05–1.87) | 0.0202 |
| CA125 | 1.41 (1.14–1.73) | 0.0012 | ||
| NLR | 1.06 (0.99–1.14) | 0.1118 | ||
| Immunoscore | ||||
| High vs. low | 0.46 (0.25–0.84) | 0.0117 | 0.44 (0.22–0.87) | 0.0179 |
| C-index | 0.6941 | 0.7138 | ||
CEA and CA125 are processed by logarithmic transformation (base e).
CI, confidence interval; HR, hazard ratio; CEA, carcinoembryonic antigen; CA125, carbohydrate antigen 125; NLR, neutrophil-to-lymphocyte ratio.