Table 1.
Baseline characteristics of the study population.
| Patient characteristics | Biomatrix Alpha™ Registry Population N (%) |
|---|---|
| Age (years) | 64.7 ± 11 |
| Male | 314 (78.5%) |
| BMI (kg/m2) | 28.2 ± 5.0 |
| History of gastrointestinal bleeding | 9 (2.3%) |
| History of malignancy | 23 (5.8%) |
| Renal insufficiency | 46 (11.5%) |
| Prior MI | 75 (18.8%) |
| Prior CABG or PCI | 98 (24.6%) |
| Diabetes mellitus | 77 (19.3%) |
| Current smoker | 82 (21.0%) |
| Dyslipidaemia | 221 (56.7%) |
| Arterial hypertension | 225 (57.3%) |
| Family history of coronary artery disease | 135 (38.0%) |
| Stable angina pectoris | 134 (33.5%) |
| Silent ischemia | 27 (6.8%) |
| Unstable angina | 56 (14.0%) |
| ST-segment elevation MI (STEMI) | 65 (16.3%) |
| Non-ST-segment elevation MI (NSTEMI) | 99 (24.8%) |
| Ejection fraction (%) | 56.6 ± 12.4 |
| Lesions treated | 562 |
| Lesions per patient | 1.40 ± 0.64 |
| Lesion class | |
| Type A | 99 (17.6%) |
| Type B1 | 169 (30.1%) |
| Type B2 | 144 (25.6%) |
| Type C | 150 (26.7%) |
| Lesion length | 21.7 ± 12.8 |
| Lesion length >30 mm | 96 (17.1%) |
| Reference vessel diameter (RVD) | 3.05 ± 0.52 |
| Small vessel (RVD < 2.75 mm) | 147 (26.2%) |
| Total stent length | 25.5 ± 13.5 |
| De-novo lesions | 539 (95.9%) |
| In-stent restenotic lesions | 20 (3.6%) |
| Bifurcation | 145 (25.8%) |
| Stents implanted per lesion | 1.16 ± 0.47 |
| Overlapping lesion | 74 (13.4%) |
BMI = body mass index; MI = myocardial infarction; CABG = coronary artery bypass grafting; PCI = percutaneous coronary intervention.