Table 3.
Analysis of the correlation between the virtual histology intravascular ultrasound parameters and the augmentation index @ 75 at the lesion site
| Augmentation index @ 75 | ||
|---|---|---|
| rho* | p | |
| EEM area (mm2) | −0.288 | 0.219 |
| Minimal luminal area (mm2) | −0.559 | 0.010 |
| Plaque and medial area (mm2) | −0.156 | 0.511 |
| Fibrous volume (mm3) | 0.371 | 0.107 |
| Fibro-fatty volume (mm3) | 0.141 | 0.553 |
| Necrotic-core volume (mm3) | 0.283 | 0.226 |
| Dense calcium volume (mm3) | 0.437 | 0.054 |
| Fibrous volume composition (%) | −0.046 | 0.847 |
| Fibro-fatty volume composition (%) | −0.163 | 0.493 |
| Necrotic-core volume composition (%) | 0.107 | 0.655 |
| Dense calcium volume composition (%) | 0.418 | 0.067 |
EEM, external elastic membrane
p < 0.05 considered significant; *rho, Spearman correlation analysis