Table 1 Optical coherence tomography analysis of stents over-expansion.
| Ā | Bioss | Ultimaster | Biomime | Xience | P value |
|---|---|---|---|---|---|
OCT proximal diameter (mm) | |||||
Min | 5.21 (5.18ā5.28) | 5.17 (5.11ā5.24) | 5.14 (5.09ā5.22) | 5.22 (5.22ā5.32) | >ā0.05 |
Mean | 5.35 (5.30ā5.44) | 5.31 (5.27ā5.35) | 5.30 (5.25ā5.34) | 5.40 (5.37ā5.49) | >ā0.05 |
Max | 5.48 (5.41ā5.57) | 5.47 (5.39ā5.56) | 5.48 (5.43ā5.51) | 5.56 (5.50ā5.65) | >ā0.05 |
OCT proximal lumen area (mm2) | |||||
Area | 22.51 (22.03ā23.23) | 22.15 (21.87ā22.54) | 22.05 (21.66ā22.43) | 22.89 (22.63ā23.67) | >ā0.05 |
OCT proximal eccentricity index | |||||
EI | 1.05 (1.04ā1.06) | 1.05 (1.04ā1.06) | 1.06 (1.05ā1.07) | 1.05 (1.04ā1.06) | >ā0.05 |
OCT strut analysis | |||||
WA (%) | 96.5 (92.8ā99.1) | 82.0 (79.8ā82.6) | 80.8 (80.6ā81.0) | 82.0 (77.3ā86.0) | >ā0.05 |
Floating (%) | 0.0 (0.0ā0.7)a | 12.7 (12.0ā13.6) | 17.2 (15.3ā18.5) | 14.5 (11.6ā16.4) | <ā0.05 |
MA (%) | 2.0 (0.9ā5.0) | 6.3 (4.6ā8.4) | 2.9 (0.6ā5.8) | 5.1 (4.0ā6.4) | >ā0.05 |