From: Glutathione S-transferase omega genes in Alzheimer and Parkinson disease risk, age-at-diagnosis and brain gene expression: an association study with mechanistic implications
Diagnosis
Series
N
Mean Age
(range)
Males (%)
ApoE4+ (%)
PD (Sporadic)
421
65 (25-94)
150 (36)
121 (29)
PD (Familial)
PD (USA)
257
62 (32-89)
93 (36)
71 (28)
PD (All)
678
64 (25-94)
243 (36)
192 (28)
Control
712
66 (18-89)
299 (42)
198 (28)