Fig. 1: Flowchart of the untargeted metabolomics study.

BIPass BIomarker-based Prognostic assessment for patients with stable angina and acute coronary syndrome; CV cardiovascular; FC fold change; FDR false discovery rate; Lasso the least absolute shrinkage and selection operator; LC-MS the liquid chromatography-mass spectrometry; MI myocardial infarction; PSM propensity score matching.