Table 3. Atheroma burden and arterial remodelling in subjects matched according to total atheroma volume by absence and presence of obstructive CAD.
| Characteristic | Non-obstructive CAD | Obstructive CAD | P value |
|---|---|---|---|
| Total atheroma volume (mm3) | 107.0±41.1 | 107.7±40.8 | 0.910 |
| Percent atheroma volume (%) | 27.5±7.9 | 32.0±10.0 | 0.007 |
| Percent images containing plaque (%) | 39.9±31.2 | 53.7±31.8 | 0.020 |
| EEM volume (mm3) | 391.3±105.6 | 343.3±92.9 | 0.010 |
| Lumen volume (mm3) | 284.3±85.9 | 235.7±79.8 | 0.002 |
| Remodelling index | 0.99±0.26 | 0.97±0.26 | 0.680 |
| Constrictive remodelling (%) | 34.4 | 45.0 | 0.240 |
| Expansive remodelling (%) | 26.2 | 31.7 | 0.510 |
Continuous variables expressed as mean ± SD and categorical variables expressed as percentage. CAD, coronary artery disease; EEM, external elastic membrane; SD, standard deviation.