Table 3.
Patients demographics and CTO target vessel.
| CKD | Non-CKD | p Value | |
|---|---|---|---|
| Age (years) | 70.6 ± 8.9 (2124) | 63.9 ± 9.4 (6108) | <0.001 |
| Female sex (%) | 20.4 (434) | 14.1 (862) | <0.001 |
| Diabetes mellitus (%) | 46.3 (983) | 33.3 (2036) | <0.001 |
| Heart failure (%) | 39.1 (545) | 22.1 (1025) | <0.001 |
| LVEF (%) | 49.3 ± 13.8 (1529) | 52.8 ± 12.6 (3962) | <0.001 |
| Previous CABG (%) | 30.3 (475) | 19.9 (1033) | <0.001 |
| eGFR (mL/min/1.73m2) | 40.7 ± 17.4 (2124) | 85.1 ± 16.3 (6108) | <0.001 |
| J-CTO score | 2.4 ± 1.3 (995) | 2.2 ± 1.3 (3094) | <0.001 |
| Procedure time (mins) | 139.2 ± 69.3 (1172) | 130.9 ± 71.9 (3656) | <0.001 |
| Fluoroscopy time (mins) | 43.0 ± 27.7 (1413) | 39.1 ± 26.7 (4678) | <0.001 |
| Contrast volume (mL) | 255.4 ± 106.7 (1590) | 285.0 ± 116.3 (5240) | <0.001 |
| Retrograde wire escalation and retrograde dissection and reentry (%) | 30.0 (395) | 29.0 (1358) | 0.701 |
Data are expressed as mean ± standard deviation or as number (percentage). Abbreviation: CTO: chronic total occlusion; CKD: chronic kidney disease; CABG: coronary artery bypass graft; eGFR: estimated Glomerular filtration rate; J-CTO: Japan CTO.