Classification of Lung Adenocarcinoma Based on Immune Checkpoint and Screening of Related Genes

Figure 4

Survival curve analysis and ROC analysis of the nine-gene signature. (a) Survival analysis of two risk groups and ROC analysis of the nine-gene signature in training set. (b) Survival curve of two risk groups and ROC curve of the nine-gene signature in testing set. (c) Survival status of two risk groups and ROC analysis of the nine-gene signature in overall TCGA set. (d) Survival analysis and ROC curve of the nine-gene signature in the external validation set.

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