Subgroup analysis in the comparison of FFR-deferral vs.
revascularization. HR, hazard risk; CKD, chronic kidney disease; CCS, chronic
coronary syndrome; ACS, acute coronary syndrome; LVEF, left ventricular ejection
fraction; LM, left main; LAD, left anterior descending artery; RCA, right
coronary artery; LCx, left circumflex artery; FFR, fractional flow reserve.