Table 3.
Technical and procedural characteristics of patients undergoing percutaneous coronary intervention (PCI) for stable coronary artery disease (CAD) categorized according to procedural outcomes.
| Variable | Overall (n = 12,538) | Procedural Success (n = 12,000) | Procedural Failure (n = 538) | p Value |
|---|---|---|---|---|
| Femoral Access Used | 38.3% | 37.5% | 57.4% | <0.001 |
| Guide Catheter Size * | 6.2 ± 0.5 | 6.1 ± 0.5 | 6.2 ± 0.5 | <0.001 |
| Rotational atherectomy | 3.9% | 3.9% | 4.5% | 0.519 |
| CTO PCI | 21.7% | 20.1% | 58.0% | <0.001 |
| CTO Crossing Strategies Used ‡ | 0.082 | |||
| Antegrade only | 70.9% | 71.4% | 66.7% | |
| Retrograde | 29.1% | 28.6% | 33.3% | |
| Number of DES Used † | 1 (1, 2) | 1 (1, 2) | 0 (0, 1) | <0.001 |
| Overall Stent Length † | 24 (16, 38) | 24 (16, 38) | 28 (18, 52) | 0.078 |
| Technical Success | 97.3% | 100.0% | 35.9% | <0.001 |
| Length of Hospital Stay (days) * | 2 (2, 2) | 2 (2, 2) | 2 (2, 4) | <0.001 |
| Procedural Time (min) † | 42 (25, 71) | 41 (24, 68) | 82 (46, 134) | <0.001 |
| Fluoroscopy Time (min) † | 16.0 (9.0, 28.0) | 15.0 (9.0, 26.4) | 34.0 (17.0, 65.0) | <0.001 |
| Contrast Volume (mL) † | 190 (150, 260) | 180 (150, 250) | 250 (170, 380) | <0.001 |
| Dose Area Product (cGy*cm2) † | 5364 (3146, 9000) | 5299 (3124, 8790) | 8554 (4333, 15,422) | <0.001 |
* mean ± standard deviation; † median (interquartile range). ‡ Only applicable for CTO PCI. CTO, chronic total occlusion; DES, drug eluting stent; FFR, fractional flow reserve; iFR, instant wave-free ratio; PCI, percutaneous coronary intervention.