Prognostic analysis of cigarette smoking for patients with different treatment modalities.

<p>SC group, surgery with chemotherapy group; S group, surgery without chemotherapy group; uHR, unadjusted hazard ratio; CI, confidence interval, aHR adjusted hazard ratio.</p><p>* Not assessed in multivariate model due to insignificant results of the univariate analysis (<i>P</i> > 0.10).</p><p>Prognostic analysis of cigarette smoking for patients with different treatment modalities.