|Could not validly exercise|
|Required femoral access||2|
|Acute target vessel occlusion requiring immediate PCI||1|
|Became ineligible after angiogram and/or physiological assessment|
|Operator decision to defer PCI based on FFR/iFR||7|
|Operator decision to refer for LIMA to LAD||2|
|Found to have developed CTO||1|
|Could not perform post-PCI exercise|
|Plan for ostial LAD stenting was changed to cover left main stem (exclusion criterion)||1|
|After PCI, had persistent low-level chest discomfort preventing symptom-limited exercise||1|
|Unable to acquire satisfactory quality velocity data||5|
|Research equipment dysfunction preventing adequate data acquisition||2|
Values are n.
CTO = chronic total occlusion; FFR = fractional flow reserve; iFR = instantaneous wave-free ratio; LAD = left anterior descending coronary artery; LIMA = left internal mammary artery; PCI = percutaneous coronary intervention.