Classification of chronic stent strut conditions of EES, compared with PES and SES
| EES n, (%) | PES n, (%)* | SES n, (%)* | |
| (1) Well apposed to the vessel wall with neointimal coverage | 5732 (96.6) | 3490 (92.6) | 3755 (85.8) |
| (2) Well apposed to the vessel wall without neointimal coverage | 44 (0.74) | 249 (6.6) | 538 (12.3) |
| (3) Malapposed to the vessel wall with neointimal coverage | 73 (1.23) | 18 (0.48) | 43 (0.98) |
| (4) Malapposed to the vessel wall without neointimal coverage | 31 (0.52) | 0 (0.0) | 17 (0.39) |
| (5) Orifice branch site with neointima | 29 (0.49) | 5 (0.13) | 5 (0.11) |
| (6) Orifice branch site without neointima | 22 (0.37) | 7 (0.19) | 19 (0.43) |
↵* Data cited from Miyoshi et al.13
EES, everolimus-eluting stent; PES, paclitaxel-eluting stent; SES, sirolimus-eluting stent.