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. 2018 Mar 5;13(3):e0193707. doi: 10.1371/journal.pone.0193707

Table 1. Baseline demographic and clinical characteristics of study participants.

Demographic and APOE characteristics at baseline Mean (SD)
Age, years 70.10 (6.89)
Sex, female, n (%) 9 (45%)
Education, years 16.70 (2.77)
ApoE ε4 positive, n (%) 13 (65%)
Clinical characteristics
CDR Sum of Boxes 2.4 (1.1)
CDR-Global, median (range) 0.5 (0.5–1)
MMSE 25.9 (2.3)
DSRS 9.10 (4.29)
GDS 1.20 (1.15)

Characteristics presented as mean (SD) unless stated otherwise. ApoE ε4 positive: ApoE phenotype has at least one ε4 allele. Abbreviations: SD, standard deviation; CDR, Clinical Dementia Rating; MMSE, Mini-Mental State Examination; DSRS, Dementia Severity Rating Scale; GDS, Geriatric Depression Scale. N = 20.