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. 2022 Jun 28;12:880459. doi: 10.3389/fonc.2022.880459

Figure 4.

Figure 4

Construction and evaluation of the FRL-based prognostic signature. (A, B) Construction of the FRL-based signature by LASSO regression analysis. (A) Obtainment of the optimal λ value. (B) LASSO coefficient profiles of FRLs. (C–E) Survival analysis according to FRL-score in the training cohort (C), validation cohort (D), and whole cohort (E). (F–H) ROC curve for forecasting overall survival in the training cohort (F), validation cohort (G), and whole cohort (H). (I–K) The distribution of FRL-score, survival status, and survival time of patients in the training cohort (I), validation cohort (J), and whole cohort (K). FRLs, ferroptosis-related lncRNAs.