Figure 3. Construction and validation of the prognostic model. (A) Univariate Cox analysis to obtain the prognosis-related genes. (B, C) LASSO regression to construct the prognostic model. (D–F) Survival analysis in the training cohort, validation cohort and the entire meta cohort. (G–I) The prognostic ROC analysis in the training cohort, validation cohort and the entire meta cohort.