. Author manuscript; available in PMC: 2022 Nov 15.

Published in final edited form as: Alzheimers Dement. 2021 Nov 10;17(11):1855–1867. doi: 10.1002/alz.12491

TABLE 1.

Characteristics of study population by clinical diagnosis

Variables	CN	aMCI	Dementia
N	250	415	122
Age, years	72.8 (6.1)	71.5 (7.4)	74.7 (8.3)
Male^*	114 (45.6)	230 (55.4)	71 (58.2)
APOE ε4 carriers^*	72 (28.8)	199 (48.0)	80 (65.6)
Education, years	16.6 (2.5)	16.2 (2.6)	15.7 (2.7)
MMSE score	29.1 (1.2)	28.0 (1.7)	23.1 (2.1)
ADAS-Cog score	5.7 (3.0)	9.2 (4.4)	20.7 (7.0)

Note: All values are mean (standard deviation) unless otherwise stated.

Values represent: number (%).

Abbreviations: ADAS-Cog, Alzheimer Disease Assessment Scale–Cognitive subscale 11 score; aMCI, amnestic mild cognitive impairment; APOE, apolipoprotein E; CN, cognitively normal; MMSE, Mini-Mental State Examination.