Table 2. Angiographic and procedural characteristics in matched groups.
| Matched | IERRA-75
N = 686 |
Control
N = 686 |
P | 95% CI |
| Data are presented as mean ± SD or n (%). | ||||
| Radial access | 598 (87.1%) | 609 (88.7%) | 0.36 | −1.86% to 5.07% |
| Complex PCI | 389 (56.7%) | 408 (59.5%) | 0.25 | −2.42% to 7.99% |
| Number of diseased vessels | 1.76 ± 0.8 | 1.72 ± 0.8 | 0.35 | −0.12% to 0.045% |
| 1 vessels | 324 (47.2%) | 343 (50%) | 0.29 | −2.48% to 8.06% |
| 2 vessels | 206 (30%) | 200 (29.1%) | 0.70 | −3.92% to 5.72% |
| 3 vessels | 156 (22.7%) | 143 (20.8%) | 0.40 | −2.47% to 6.26% |
| Number of lesions treated | 1.43 ± 0.7 | 1.42 ± 0.72 | 0.79 | −0.085% to 0,065% |
| Intravascular imaging | 49 (7.1%) | 45 (6.5%) | 0.65 | −2.1% to 3.3% |
| Clopidogrel | 522 (76%) | 497 (72.5%) | 0.34 | −1.13% to 8.11% |
| Ticagrelor | 164 (24%) | 189 (27.5%) | 0.14 | −1.13% to 8.11% |
| Oral anticoagulants | 120 (17.5%) | 113 (16.4%) | 0.58 | −2.88% to 5.08% |
| Lesions treated | N = 982 | N = 974 | P | 95% CI |
| Minimum lumen diameter, | 0.91 ± 0.8 | 0.93 ± 0.8 | 0.50 | −0.051% to 0.091% |
| Reference vessel diameter, | 3 ± 0.55 | 3.01 ± 0.52 | 0.70 | −0.037% to 0.057% |
| Angiographic stenosis, % | 87.6 ± 11 | 88 ± 11 | 0.49 | −0.58% to 1.38% |
| B2/C lesion type | 412 (60%) | 434 (63.2%) | 0.22 | −1.11% to 7.49% |
| Calcium (moderate/severe) | 212 (30.9%) | 225 (32.8%) | 0.40 | −2.23% to 6.02% |
| Bifurcation | 119 (17.3%) | 125 (18.2%) | 0.66 | −2.49% to 4.29% |
| Chronic total occlusion | 65 (9.5%) | 80 (11.6%) | 0.20 | −0.63% to 4.84% |
| Stent length, mm | 21.5 ± 8 | 22 ± 8 | 0.24 | −0.21% to 1.21% |
| Stent diameter, mm | 2.96 ± 0.54 | 2.97 ± 0.55 | 0.73 | −0.038% to 0.058% |
| Angiographic success | 677 (98.7%) | 671 (97.8%) | 0.28 | −0.29% to 2.15% |