Figure 2
From: Survival in non-small cell lung cancer patients with versus without prior cancer
Impact of prior cancer on survival in NSCLC patients according to diagnostic time interval and index NSCLC stage. HRs were calculated using Cox proportional hazards models on all-cause mortality in NSCLC patients stratified by diagnostic time interval (between the most recent prior cancer and the index cancer) and index NSCLC stage. The No Prior Cancer Group was used as the reference category. For all diagnostic time intervals in these models, there were 3328 localized NSCLC patients, 2191 regional NSCLC patients, and 3244 distant NSCLC patients. Abbreviations: CI, confidence interval; HR, hazard ratio; NSCLC, non-small cell lung cancer.
