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Long-term adverse events in the percutaneous coronary intervention only group and fractional flow reserve-guided group. Unadjusted Kaplan–Meier curves during a 7-year follow-up for major adverse cardiac event (left top); death (right top); myocardial infarction (bottom left); and for death or myocardial infarction (bottom right). FFR, fractional flow reserve; PCI, percutaneous coronary intervention; MACE, major adverse cardiac events; MI, myocardial infarction.
