Table III.
Results of Cox univariate and multivariate regression analyses.
| Variables | Univariate analysis
|
Multivariate analysis
|
||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P-value | HR | 95% CI | P-value | |
| SVM prediction | ||||||
| Early/advanced stage | 1.61 | 1.194–2.17 | 0.0016 | 1.618 | 1.139–2.299 | 0.0073 |
| Age (years) | ||||||
| ≤60/>60 | 1.528 | 1.131–2.064 | 0.0055 | 1.238 | 0.878–1.745 | 0.224 |
| Sex | ||||||
| Male/female | 1.098 | 0.801–1.505 | 0.561 | 1.298 | 0.9089–1.856 | 0.152 |
| Pathologic_M stage | ||||||
| M0/M1 | 2.278 | 1.195–4.342 | 0.0101 | 1.714 | 0.723–4.066 | 0.221 |
| Pathologic_N stage | ||||||
| N0-N1/N2-N3 | 1.581 | 1.111–2.251 | 0.0103 | 1.806 | 1.167–2.794 | 0.0080 |
| Pathologic_T stage | ||||||
| T0-T2/T3-T4 | 1.938 | 1.405–2.673 | 4.05E−05 | 1.91 | 1.343–2.717 | 0.0003 |
| New tumor | ||||||
| Yes/no | 2.687 | 1.831–3.944 | 1.48E−07 | 3.125 | 1.972–4.955 | 1.25E−06 |
| Radiation therapy | ||||||
| Yes/no | 0.4771 | 0.271–0.841 | 0.0088 | 0.866 | 0.440–1.703 | 0.677 |
HR, hazard ratio; CI, confidence interval; SVM, support vector machine.