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Kaplan–Meier analysis. Kaplan–Meier curves showing the risk of MACE, stratified by LVGFI and the presence of MVO. LVGFI was dichotomized according to the optimized cut-off value (LVGFI = 29%), which was calculated by ROC analysis. MACE, major adverse cardiac events; LVGFI, left ventricular global function index; MVO, microvascular obstruction; ROC, receiver operating characteristic.
