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. 2021 Oct 13;14:6725–6739. doi: 10.2147/IJGM.S334245

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© 2021 Wang et al.

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Constructing the prognostic index for GC patients. (A) PCA plot showing the batch effect between TCGA-STAD and GSE62254 cohorts. (B) PCA plot showing the distribution of two cohorts after removing the batch effect. (C) The optimal tuning parameter (Lambda) in the LASSO analysis selected with the 5-fold cross-validation and one standard error rule. (D) LASSO coefficient profiles of the 211 genes. (E) Heatmap showing the expression distribution of LASSO analysis selected genes and corresponding clinical features among two cohorts.