Clinical characteristics and outcomes of 1363 patients undergoing CTO PCI, classified according to whether they had undergone CABG
| Variable | Overall (n=1363) | With prior CABG (n=508) | Without prior CABG (n=855) | p Value |
|---|---|---|---|---|
| Clinical characteristics | ||||
| Age (years)* | 64.5±10.8 | 67.7±9.0 | 63.3±10.4 | <0.001 |
| Men (%) | 85.1 | 86.2 | 84.4 | 0.371 |
| Hypertension (%) | 89.0 | 92.6 | 87.2 | 0.005 |
| Hyperlipidaemia (%) | 94.0 | 96.0 | 92.6 | 0.016 |
| Diabetes (%) | 40.0 | 44.3 | 36.8 | 0.011 |
| Heart failure (%) | 24.0 | 24.7 | 23.1 | 0.540 |
| Ejection fraction <40% (%) | 22.0 | 21.0 | 22.5 | 0.701 |
| History of myocardial infarction (%) | 42.0 | 44.9 | 39.8 | 0.092 |
| History of stroke (%) | 6.0 | 8.0 | 4.5 | 0.015 |
| Prior PCI (%) | 42.0 | 43.4 | 40.8 | 0.337 |
*Mean±SD.
CABG, coronary artery bypass graft surgery; CTO, chronic total occlusion; PCI, percutaneous coronary intervention.