Clinical characteristics and outcomes of 1363 patients undergoing CTO PCI, classified according to whether they had undergone CABG

VariableOverall (n=1363)With prior CABG (n=508)Without prior CABG (n=855)p Value
Clinical characteristics
Age (years)*64.5±10.867.7±9.063.3±10.4<0.001
Men (%)
Hypertension (%)89.092.687.20.005
Hyperlipidaemia (%)
Diabetes (%)40.044.336.80.011
Heart failure (%)24.024.723.10.540
Ejection fraction <40% (%)
History of myocardial infarction (%)42.044.939.80.092
History of stroke (%)
Prior PCI (%)42.043.440.80.337
  • *Mean±SD.

  • CABG, coronary artery bypass graft surgery; CTO, chronic total occlusion; PCI, percutaneous coronary intervention.