Table 2. Flow comparison between pre-, post-CEA and normal carotids.

Flow parameters	Pre-CEA (n=8)	Post-CEA (n=8)	Normal carotids (n=16)	P value
				Pre- vs. post-CEA	Pre-CEA vs. normal carotids	Post-CEA vs. normal carotids
Velocity (m/s)	3.07±1.53	0.28±0.13	0.22±0.09	0.012	<0.001	0.176
ICA/CC velocity ratio	0.48±0.21	0.68±0.21	0.76±0.14	0.025	0.001	0.283
WSSmax (Pa)	116.33±97.67	9.99±11.35	13.67±9.47	0.012	<0.001	0.409
WSSmean (Pa)	5.44±3.88	1.76±1.69	1.71±0.98	0.017	<0.001	0.144
WSSG (Pa/s)	3,199.33±3,405.31	443.79±511.41	331.78±239.83	0.012	0.002	0.393
WSSmin (Pa)	0.02±0.02	0.2±0.2	0.08±0.08	0.575	0.050	0.897

n, indicates the number of subjects. CEA, carotid endarterectomy; ICA, internal carotid artery; CCA, common carotid artery.