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. 2018 Jul 31;10:74. doi: 10.1186/s13195-018-0402-y

Table 1.

Demographics and key characteristics of the in vivo population

Young CN individuals Elderly CN individuals MCI patients AD patients
N 3 6 3 4
Age (years), mean (SD) 22.3 (1.5) 67.8 (8.5) 69 (3.4) 60.7 (6)
Male, n (%) 2 (67) 5 (83) 2 (67) 3 (75)
MMSE, mean (SD) 30 (0) 29.5 (0.5) 25 (2.6) 17.3 (5.8)
APOE ε4, n (%) 0 (0) 4 (67) 1 (33) 2 (50)
Amyloid-PET positive, n (%) 0 (0) 1 (17) 3 (100) 4 (100)

AD Alzheimer’s disease, CN cognitively healthy, MCI mild cognitive impairment, MMSE Mini-Mental State Examination, PET positron emission tomography, SD standard deviation