Table 3:

Interobserver reliability analysis: comparison of an experienced sonographer and 2 ultrasound-inexperienced stroke fellows.

Vessel Segments	Stroke Fellow 1 (n = 24)		Stroke Fellow 2 (n = 24)		Sonographer (n = 24)
Vessel Segments	No. Visualized	Sensitivity	No. Visualized	Sensitivity	No. Visualized	Sensitivity
Right
MCA
M1	22	0.92	22	0.92	23	0.96
M2	22	0.92	22	0.92	23	0.96
M3	21	0.88	22	0.92	22	0.92
PCA
P1	22	0.92	22	0.92	23	0.96
P2	22	0.92	22	0.92	23	0.96
P3	18	0.75	19	0.79	21	0.88
ACA
A1	21	0.88	21	0.84	23	0.96
A2	21	0.88	22	0.92	20	0.84
Left
MCA
M1	23	0.96	23	0.96	23	0.96
M2	23	0.96	23	0.96	23	0.96
M3	17	0.71	20	0.83	22	0.92
PCA
P1	23	0.96	23	0.96	23	0.96
P2	23	0.96	23	0.96	23	0.96
P3	19	0.79	20	0.83	23	0.96
ACA
A1	20	0.83	19	0.79	23	0.96
A2	23	0.96	23	0.96	22	0.92

Note:—MCA indicates middle cerebral artery; PCA, posterior cerebral artery; ACA, anterior cerebral artery.