From: Polymorphism in apolipoprotein E among migraineurs and tension-type headache subjects
Group
APOE ε2
APOE ε3
APOE ε4
Migraine
24 (16)
53 (35)
23 (16)
TTH
12 (11)
65 (38)
23 (20)
Controls
6 (6)
58 (40)
36 (32)