Baseline patient, angiographic and procedural characteristics
| BVS (n=8) | BP-EES (n=10) | PP-EES (n=10) | P value | |
| Anthropometric | ||||
| Age (years), mean±SD | 65±7 | 60±8 | 58±8 | 0.78 |
| Male, n (%) | 6 (75) | 7 (70) | 8 (80) | 1.00 |
| Weight (kg) | 80±17 | 80±6 | 80±12 | 0.96 |
| Height (m), mean±SD | 1.74±0.08 | 1.70±0.11 | 1.71±0.09 | 0.70 |
| BMI (kg/m2), mean±SD | 26±4 | 28±3 | 27±5 | 0.69 |
| Risk factors | ||||
| Hypertension, n (%) | 6 (75) | 3 (30) | 3 (30) | 0.13 |
| Smoking, n (%) | 5 (63) | 5 (50) | 4 (40) | 0.74 |
| Diabetes, n (%) | 1 (13) | 0 (0) | 4 (40) | 0.05 |
| Dyslipidaemia, n (%) | 4 (50) | 3 (30) | 1 (10) | 0.20 |
| Family history, n (%) | 2 (25) | 1 (10) | 1 (10) | 0.65 |
| Presentation at index procedure | ||||
| Stable angina, n (%) | 5 (63) | 3 (30) | 1 (10) | 0.08 |
| Acute coronary syndrome, n (%) | 2 (25) | 7 (70) | 8 (80) | 0.09 |
| LVEF (%), mean±SD | 62±10 | 61±12 | 56±11 | 0.62 |
| Multivessel disease, n (%) | 2 (25) | 4 (40) | 4 (40) | 0.79 |
| Angiographic characteristics of target lesion | ||||
| Stented vessel | ||||
| LM, n (%) | 0 (0) | 0 (0) | 0 (0) | |
| LCX, n (%) | 1 (13) | 5 (5) | 3 (30) | 0.27 |
| LAD, n (%) | 6 (75) | 2 (2) | 4 (40) | 0.07 |
| RCA, n (%) | 1 (13) | 3 (30) | 3 (30) | 0.75 |
| Per cent stenosis, mean±SD | 72±15 | 83±17 | 75±17 | 0.92 |
| MLD (mm), mean±SD | 0.86±0.47 | 0.39±38 | 0.79±0.60 | 0.43 |
| RVD (mm), mean±SD | 3.05±0.43 | 2.64±0.50 | 3.01±0.49 | 0.92 |
| Lesion length (mm), mean±SD | 11±5 | 15±9 | 14±6 | 0.29 |
| Lesion complexity | 0.25 | |||
| Simple A/B1, n (%) | 5 (63) | 2 (20) | 4 (40) | |
| Complex B2/C, n (%) | 3 (38) | 8 (80) | 6 (60) | |
| Procedural characteristics of target lesion | ||||
| Predilation, n (%) | 8 (100) | 8 (80) | 8 (80) | 0.51 |
| Stents implanted in target lesion, n, median (IQR) | 1 (1–1) | 1 (1–2) | 1 (1–1) | 0.47 |
| Stent length (mm), mean±SD | 18 (18–18) | 16 (16–20) | 18 (18–24) | 0.27 |
| Stent diameter (mm), mean±SD | 3.25 (3.00–3.50) | 3.00 (3.00–3.00) | 3.00 (3.00–3.50) | 0.54 |
| Max. inflation pressure (atm), median (IQR) | 14 (13–14) | 14 (14–16) | 14 (14–16) | 0.43 |
| Stent overlap, n (%) | 1 (13) | 3 (30) | 1 (10) | 0.58 |
| Postdilation, n (%) | 3 (38) | 5 (50) | 7 (70) | 0.42 |
| Postprocedural | ||||
| MLD in stent (mm), mean±SD | 2.70±0.24 | 2.59±0.38 | 2.88±0.51 | 0.50 |
| Per cent stenosis, mean±SD | 4±3 | 9±7 | 4±3 | 0.02 |
BMI, body mass index; BP-EES , bioabsorbable polymer everolimus-eluting stents; BVS, biovascular scaffolds; IQR, IQR (25%–75% percentile); LAD, left anterior descending artery; LCX, left circumflex artery; LM, left main artery; LVEF, left ventricular ejection fraction; MLD, mean lumen diameter; PP-EES, persistent polymer everolimus -eluting stents; RCA, right coronary artery; RVD, reference vessel diameter.