From: Association between increased levels of amyloid-β oligomers in plasma and episodic memory loss in Alzheimer’s disease
AD group (n = 30)
Control group (n = 28)
t/χ2
p value
Age (years), mean (SD)
76.9 (5.8)
71.9 (7.2)
− 2.88
0.006
Sex, M/F (n)
15/15
7/21
5.59
0.05
Education (years), mean (SD)
13.6 (2.7)
14.3 (1.9)
1.06
0.30
APOEε4 carriers (n)
16
5
7.89
0.005