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Diagnostic performance of the biomarker model for PsA diagnosis. (A) ROC curve analysis of 7 fecal metabolites with AUC >0.7; (B) The selected frequency of 13 significant features in SVM model; (C) SVM classifier performance for classifying PsA versus non-PsA metabolites; (D) ROC curve for 5 fecal microbial markers.
