Table 1

Distribution of Demographic, Clinical, and Functional Parameters Among the 4 Anatomical Subtypes

Type 1
(n = 71
[13.7%])
Type 2
(n = 232
[44.6%])
Type 3
(n = 175
[33.6%])
Type 4
(n = 42
[8.1%])
p ValueTotal (N = 520)
Age <45 yrs54 (76.0)135 (58.2)102 (58.3)21 (50.0)<0.0001312 (61.7)
Female46 (64.8)168 (72.4)119 (68.0)22 (55.5)0.0752355 (68.3)
Hypertension24 (33.8)90 (38.8)36 (20.5)6 (14.3)<0.0001156 (30.0)
CoA23 (32.3)58 (25.0)66 (37.7)14 (33.3)0.0955162 (31.1)
Curtain shunt28 (39.4)123 (53.0)108 (61.7)30 (71.4)0.0068289 (55.6)
Permanent shunt25 (35.2)117 (50.4)138 (78.8)21 (50.0)<0.0001301 (57.8)
Recurrent CIE34 (47.8)138 (59.4)128 (73.1)21 (50.0)<0.0001321 (61.7)
Multiple CIF RMi30 (42.2)121 (52.1)118 (67.4)28 (66.6)<0.0001297 (57.1)

Values are n (%).

CIE = cerebral ischemic event; CIF = cerebral ischemic foci; CoA = coagulation abnormalities (deficiency of anti-thrombin III, C, S, or factor V Leiden or homozygotic mutation methylenetetrahydrofolate reductase or antiphospholipid or anticardiolipin antibodies); RMi = resonance magnetic imaging.