Table 6.
Uni- and multi-variable survival analysis for CBMs were performed through KM and Cox proportional hazard model, respectively
| Biomarkers | Univariable | Multivariable | ||
|---|---|---|---|---|
| HR | 95% CI | HR | 95% CI | |
| Demographic factors | ||||
| Age | ||||
| ≤ 70 | 1 | 1 | ||
| > 70 | 2.235 | 1.097–4.556a | 2.257 | 1.240–4.111 |
| Gender | ||||
| Male | 1 | |||
| Female | 1.015 | 0.560–1.837 | ||
| Weights | ||||
| ≤ 150 | 1 | |||
| > 150 | 1.070 | 0.604–1.897 | ||
| Smoking Status | ||||
| Yes | 1 | |||
| No | 1.623 | 0.872–3.021 | ||
| Clinical factors | ||||
| Primary Tumor | ||||
| ≤ T2 | 1 | |||
| > T2 | 0.904 | 0.446–1.830 | ||
| Lymph Node | ||||
| N0 | 1 | 1 | ||
| ≥ N1 | 3.797 | 1.038–13.887a | 4.163 | 1.858–9.326 |
| Metastasis | ||||
| M0 | 1 | |||
| M1 | 4.863 | 0.238–99.479a | ||
| Histology | ||||
| Squamous | 1 | |||
| Non-Squamous | 1.194 | 0.582–2.452 | ||
| Tumor size | ||||
| Longest diameter | 1.059 | 1.010–1.110a | ||
* representing significant data; HR Hazard ration, CI Confidence interval