Summary of imaging and histologic findings
| Findings | No. (%) or Average (SD) |
|---|---|
| Imaging features | |
| Rim sign | 39 (58.2%) |
| Ulceration | 11 (16.4%) |
| Any calcifications | 64 (95.5%) |
| Adventitial calcifications | 53 (79.1%) |
| Bulky calcifications | 11 (16.4%) |
| Soft tissue ≥2 mm | 55 (82.0%) |
| Maximum soft-tissue thickness (mean) (mm) | 4.0 (SD, 2.0) |
| Maximum overall plaque thickness (mean) (mm) | 4.9 (SD, 1.5) |
| Maximum stenosis (mean) (%) | 77.4 (SD, 16.5) |
| Histologic findings | |
| LRNC present | 64 (95.5%) |
| LRNC proportion (mean) | 22.2% (SD , 19.2%) |
| IPH present | 52 (77.6%) |
| IPH proportion (mean) | 13.7% (SD , 17.2%) |
| Calcification present | 57 (85.1%) |
| Calcification proportion (mean) | 20.9% (SD, 20.7%) |