Table 2.
Lesion characteristics and procedural data
| Variable | All patients | Vessel diameters ≤2.50 mm | Vessel diameters >2.5 mm | p value small versus large vessel diameters |
|---|---|---|---|---|
| Number of lesions | 880 | 247 | 633 | – |
| Target vessel | <0.001 | |||
| LAD | 290 (33.0 %) | 98 (39.7 %) | 192 (30.3 %) | |
| CX | 233 (26.5 %) | 92 (37.2 %) | 141 (22.3 %) | |
| RCA | 344 (39.1 %) | 55 (22.3 %) | 289 (45.7 %) | |
| graft | 13 (1.5 %) | 2 (0.8 %) | 11 (1.7 %) | |
| Total occlusion | 107 (12.2 %) | 33 (13.4 %) | 74 (11.7 %) | 0.496 |
| Chronic total occlusion | 22 (2.5 %) | 8 (3.2 %) | 14 (2.2 %) | 0.381 |
| Thrombus burden | 116 (13.2 %) | 30 (12.1 %) | 86 (13.6 %) | 0.570 |
| Diffuse vessel disease | 442 (50.2 %) | 140 (56.7 %) | 302 (47.7 %) | 0.017 |
| Calcification | 297 (33.8 %) | 104 (42.1 %) | 193 (30.5 %) | 0.001 |
| Ostial lesion | 47 (5.3 %) | 15 (6.1 %) | 32 (5.1 %) | 0.546 |
| Bifurcation lesion | 51 (5.8 %) | 12 (4.9 %) | 39 (6.2 %) | 0.457 |
| Severe tortuosity | 104 (11.8 %) | 36 (14.6 %) | 68 (10.7 %) | 0.114 |
| AHA/ACC type B2/C lesion | 353 (40.1 %) | 104 (42.1 %) | 249 (39.3 %) | 0.451 |
| Reference diameter (mm) | 3.03 ± 0.53 | 2.05 ± 0.27 | 3.41 ± 0.55 | <0.001 |
| Lesion length | 14.7 ± 7.8 | 14.7 ± 7.3 | 14.8 ± 8.0 | 0.950 |
| Degree of stenosis (%) | 86.3 ± 10.7 | 87.0 ± 9.7 | 86.0 ± 11.0 | 0.233 |
| Pre-dilatation | 396 (45.0 %) | 129 (52.2 %) | 267 (42.2 %) | 0.007 |
| BMSs used | 1027 | 286 | 741 | – |
| BMS diameter (mm) | 3.02 ± 0.51 | 2.48 ± 0.25 | 3.23 ± 0.42 | <0.001 |
| BMS length (mm) | 16.0 ± 5.9 | 15.7 ± 5.8 | 16.1 ± 5.9 | 0.399 |
| BMS inflation pressure (atm) | 15.0 ± 3.1 | 14.8 ± 3.1 | 15.1 ± 3.0 | 0.144 |
| Additional DCB | 17 (1.7 %) | 3 (1.0 %) | 14 (1.9 %) | 0.344 |
| Final result % stenosis | 1.7 ± 10.0 | 1.7 ± 11.0 | 1.7 ± 9.7 | 0.430 |
| Overall technical success | 1004 (97.8 %) | 280 (97.9 %) | 724 (97.7 %) | 0.849 |