Table 1.

Demographic Data of the Patients ^a

Variables
Age, y (N = 89)	65.0 ± 9.4
Age at onset, y (N = 89)	62.3 ± 9.6
Education, y (N = 57)	14.5 ± 3.0
Female (%)	58 (65)
Caucasian (%)	75 (84.3)
Africa American (%)	12 (13.5)
Asian (%)	1 (1.1)
Other (%)	1 (1.1)
APOE ∊4 (%)	70.8
Positive family history of dementia, % (N = 86)	58
MMSE (N = 78)	21.6 ± 5.9
Months follow-up (N = 89)	16 (1, 72)

Abbreviations: APOE, apolipoprotein E; MMSE, Mini-Mental State Examination; SD, standard deviation.

^a Age, age at onset, education, and MMSE score are expressed as mean ± SD; months follow-up is expressed as median (minimum and maximum).