XIST and arrhythmogenic right ventricular cardiomyopathy: In order to confirm the diagnostic role of the above biomarkers in ARVC, we constructed logistic models in GSE107475, GSE107156, and GSE29819 datasets based on these four mRNAs (FBN1, COL1A1, COL5A1, BGN) and two lncRNAs (XIST, LINC00173).