CDS and 3D-CDS classification of internal carotid artery stenosis in patients and controls determined among three observers
| CDS | 3D-CDS (Observer 1) | 3D-CDS (Observer 2) | 3D-CDS (Observer 3) | |
|---|---|---|---|---|
| Controls | 16 (33.3%) | 10 (20.8%) | 8 (16.7%) | 12 (25%) |
| ICAS, 30–69% | 14 (29.2%) | 22 (45.8%) | 26 (54.2%) | 20 (41.7%) |
| ICAS, 70–99% | 18 (37.5%) | 16 (33.3%) | 14 (29.2%) | 16 (33.3%) |
Note.—CDS indicates color Doppler sonography; 3D-CDS, three-dimensional color Doppler sonography; ICAS, internal carotid artery stenosis.