From: Endovascular stenting of medically refractory intracranial arterial stenotic (ICAS) disease (clinical and sonographic study)
Group
P
Sig
Intervention
Medical
N
%
Percent of change in stenosis
No change
4
23.5
1
4.8
.001**
HS
Decreased
11
64.7
0
.0
Increased
2
11.8
20
95.2