Procedural characteristics of the study population
| Variable | Bivalirudin (n=1928) | Bivalirudin + UFH (n=1068) | p Value |
| Angiographic findings [22, 74] | |||
| One-vessel disease | 789 (41%) | 448 (45%) | 0.063 |
| Two-vessel disease | 544 (28%) | 306 (31%) | 0.224 |
| Three-vessel disease | 433 (22%) | 183 (18%) | 0.008 |
| Left main disease only | 4 (0.2%) | 1 (0.1%) | 0.840 |
| Left main + one-vessel disease | 102 (5%) | 9 (1%) | <0.001 |
| Left main + two-vessel disease | 22 (1%) | 15 (2%) | 0.526 |
| Left main + three-vessel disease | 12 (0.5%) | 32 (3%) | <0.001 |
| Infarct-related artery [0, 0] | |||
| LAD | 812 (42%) | 459 (43%) | 0.676 |
| LCx | 277 (14%) | 136 (13%) | 0.235 |
| RCA | 765 (40%) | 449 (42%) | 0.221 |
| Left main | 35 (2%) | 13 (1%) | 0.273 |
| Vein graft | 34 (2%) | 10 (1%) | 0.100 |
| Arterial graft | 4 (0.2%) | 1 (0.1%) | 0.792 |
| Treated artery status before PCI [2, 0] | |||
| Occlusion | 1152 (60%) | 663 (62%) | 0.239 |
| No occlusion | 774 (40%) | 405 (38%) | 0.239 |
| Successful PCI | 1818 (94%) | 1021 (95%) | 0.147 |
| Complete revascularisation | 889 (46%) | 611 (57%) | <0.001 |
| PCI with stent | 1782 (92%) | 995 (93%) | 0.503 |
| Procedure with DES | 188 (10%) | 164 (16%) | <0.001 |
| Access site | |||
| Transradial approach | 336 (18%) | 570 (53%) | <0.001 |
| Transfemoral approach | 1592 (82%) | 498 (47%) | <0.001 |
| Use of closure device | 1016 (64%) | 382 (77%) | <0.001 |
| External compression | 576 (36%) | 116 (23%) | <0.001 |
| Use of thrombectomy | 345 (18%) | 244 (23%) | <0.001 |
| Use of intra-aortic balloon pump | 87 (4.5%) | 23 (2%) | 0.002 |
Missing values are shown in square brackets.
DES, drug eluting stent; LAD, left anterior descending artery; LCx, left circumflex artery; PCI, percutaneous coronary intervention; RCA, right coronary artery; UFH, unfractionated heparin.