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Table 3 Analysis of the correlation between the virtual histology intravascular ultrasound parameters and the augmentation index @ 75 at the lesion site

From: Augmentation index is associated with coronary revascularization in patients with high Framingham risk scores: a hospital-based observational study

  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
  1. EEM, external elastic membrane
  2. p < 0.05 considered significant; *rho, Spearman correlation analysis