Figure 3.

Cox regression analysis on associations between clinical characteristics and the survival of enrolled lung cancer patients. [Notes: The forest plot refers to the HRs in the cox regression analysis adjusted by all the considered variables (adjusted HR2). Adjusted HR1: Cox proportional hazards models were adjusted by age at diagnosis, sex, smoking, alcohol assumption, history of respiratory diseases, family history of lung cancer, and BMI. Adjusted HR2: Cox proportional hazards models were further adjusted by pathological stage (for histological classification)/histological classification (for pathological stage), lesion site, treatment, grade of the hospital and location of the hospital. LCSS, lung cancer specific survival; OS, overall survival; HR, hazard ratio.