Table 3.
Multivariate Cox regression analysis of OS and CSS.
| Variables | OS | CSS | |||
|---|---|---|---|---|---|
| HR [95% CI] | p value | HR [95% CI] | p value | ||
| Age | >65 vs ≤ 65 years old | 1.760 [1.176–2.635] | 0.006 | 2.033 [1.261–3.279] | 0.004 |
| KPS | < 90 vs ≥ 90 | 1.755 [1.139–2.705] | 0.011 | 1.696 [1.026–2.804] | 0.039 |
| Current smoking | Yes vs No | 1.447 [0.939–2.230] | 0.094 | 1.460 [0.880–2.420] | 0.143 |
| Smoking history | ≥ 10 vs < 10 packs year | 1.471 [0.822–2.632] | 0.194 | 1.779 [0.853–3.711] | 0.125 |
| T stage | 123 vs 4 | 1.263 [0.758–2.104] | 0.371 | 1.495 [0.850–2.629] | 0.163 |
| N stage | 123 vs 0 | 1.519 [0.968–2.383] | 0.069 | 2.095 [1.170–3.752] | 0.013 |
| CRP | > 0.3 vs ≤ 0.3 mg/dl | 1.588 [1.069–2.359] | 0.022 | 1.989 [1.235–3.203] | 0.005 |
| Induction chemotherapy | Yes vs No | 0.715 [0.463–1.103] | 0.129 | — | — |