Table 3.
Cox univariate and multivariate regression analysis for overall survival
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| HR | CI | P | HR | CI | p | |
| Age | 1.04 | 1.01–1.06 | 0.001 | 1.02 | 0.99–1.05 | 0.08 |
| Charlson comorbidity index | 1.07 | 0.87–1.31 | 0.51 | 1.07 | 0.85–1.35 | 0.57 |
| pT stage | ||||||
| T1 | Referent | Referent | ||||
| T2 | 0.33 | 0.08–1.38 | 0.13 | 0.21 | 0.03–1.53 | 0.12 |
| T3 | 2.04 | 1.19–3.52 | 0.01 | 1.06 | 0.57–1.97 | 0.86 |
| T4 | 29.30 | 9.32–92.16 | <0.001 | 4.41 | 1.04–18.66 | 0.044 |
| Node positive | 8.67 | 4.08–18.43 | <0.001 | 5.68 | 1.86–17.38 | 0.002 |
| Grade | ||||||
| I–II | Referent | Referent | ||||
| III–IV | 3.67 | 2.15–6.28 | <0.001 | 2.23 | 1.25–3.98 | 0.007 |
| Anemia | 3.44 | 2.06–5.75 | <0.001 | 2.11 | 1.18–3.79 | 0.012 |
| Nutritionally deficient | 3.84 | 2.31–6.38 | <0.001 | 2.41 | 1.40–4.18 | 0.002 |
CI = confidence interval; HR = hazard ratio.