TABLE 2:

CDS and 3D-CDS classification of internal carotid artery stenosis in patients and controls determined among three observers

CDS3D-CDS (Observer 1)3D-CDS (Observer 2)3D-CDS (Observer 3)
Controls16 (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.