Figure 5. The DRGs model is an independent prognostic factor for the prognosis of LUAD. Survival difference between high- and low-risk groups (A) in TCGA set, (B) GEO set 1, (C) GEO set 2, (D) GEO set 3. (E) The univariate Cox regression analyses of risk score and clinical characteristics in TCGA set. (F) The multivariate Cox regression analyses of risk score and clinical characteristics in TCGA set.