From: Factors determining recurrence in transient global amnesia
TGA once only
Multiple TGA
p value
No.
%
Family history TGA
No
72
92.3
14
93.3
Yes
6
7.7
1
6.7
p = 0.41
Family history dementia
62
79.5
8
53.3
16
20.5
7
46.7
p = 0.03