Optical coherence tomography analysis
| Total number of struts | BVS (N=8) | BP-EES (N=10) | PP-EES (N=10) | BP-EES vs BVS | PP-EES vs BVS | BP-EES vs. PP-EES |
| 1796 | 1316 | 1947 | ||||
| Value (95% CI) | Value (95% CI) | Value (95% CI) | ED (95% CI); P value | ED (95% CI); P value | ED (95% CI); P value | |
| Coverage per lesion | ||||||
| Covered struts (%) | 96.8 (93.3 to 100) | 97.3 (99.5 to 100) | 87.9 (78.7– to 97.1) | +0.5 (–4.3 to 5.3); 0.84 | −8.9 (–19.3 to 1.5); 0.09 | +9.4 (1.6 to 17.2); 0.02 |
| Uncovered struts (%) | 3.2 (0 to 6.7) | 2.7 (0 to 5.5) | 12.1 (2.9 to 21.3) | −0.5 (–5.3 to 4.3); 0.84 | +8.9 (–1.5 to 19.3); 0.09 | −9.4 (–17.2 to −1.6); 0.02 |
| Mean neointimal thickness (μm) | 82 (66 to 97) | 117 (86 to 147) | 82 (60 to 105) | +36 (–5 to 78); 0.08 | +1 (–27 to 30); 0.95 | +36 (–4 to 77); 0.08 |
| Mean neointimal area (mm2) | 1.1 (0.8 to 1.5) | 1.2 (0.9 to 1.5) | 0.8 (0.5 to 1.1) | +0.1 (–0.4 to 0.5); 0.80 | −0.3 (– 0.8 to 0.1); 0.14 | +0.4 (–0.1 to 0.8); 0.09 |
| Apposition per lesion | ||||||
| Well-apposed struts (%) | 98.9 (98.2 to 99.6) | 99.6 (99.2 to 100) | 95.0 (91.6 to 98.5) | +0.7 (– 0.1 to 1.4); 0.08 | −3.8 (– 7.7 to −0.1); 0.04 | +4.5 (1.9 to 7.2); 0.001 |
| Malapposed struts (%) | 0.8 (0.1 to 1.5) | 0.1 (0 to 0.3) | 1.9 (0 to 4.0) | −0.7 (– 1.2 to −0.1); 0.02 | +1.1 (– 1.2 to 3.4); 0.33 | −1.8 (–3.3 to −0.3); 0.02 |
| Protruding struts (%) | 0.3 (0 to 0.6) | 0.3 (0 to 0.6) | 3.0 (1.3 to 4.7) | 0.0 (– 0.5 to 0.5); 0.98 | +2.7 (0.9 to 4.6); 0.01 | −2.7 (–4.0 to −1.4);<0.001 |