Figure 6. Verification of the diagnostic utility of the biomarker panel in CD validation cohorts. (A) Expression analysis and (B) ROC curve analysis of core genes in the GSE16879 dataset. (C) Expression analysis and (D) ROC curve analysis of core genes in the GSE20881 dataset. (E) Expression analysis and (F) ROC curve analysis of core genes in the GSE179285 dataset. (G) Core gene expression analysis and (H) ROC curve analysis of samples with and without inflammation in the GSE179285 dataset. Abbreviations: ROC: receiver operating characteristic; AUC: area under the curve. *P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001.