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. 2021 Feb 5;16(2):e0244180. doi: 10.1371/journal.pone.0244180

Table 1. Participant groups and demographic information.

HC1 (18–40) HC2 (40–60) HC3 (60–90) MCI AD
N 129 62 55 53 26
Study Site ABM (n = 129) ABM (n = 61) MGH (n = 1) ABM (n = 43) MGH (n = 12) MGH (n = 19) ANH (n = 27) MAYO (n = 7) ANH (n = 26)
Age range 18–38 40–60 61–84 53–88 58–90
Age (mean ± SD) 24.4 ± 4.3 50.9 ± 6.6 68.8 ± 5.7 71.2 ± 7.8 73.5 ± 8.5
% Female 53% 52% 45% 38% 50%
MMSE (mean ± SD) NA 29.8 ± 0.8 29.7 ± 0.6 26.8 ± 2.8 18.58 ± 5.9
MMSE (median) NA 30 30 27 19
Beck Depression Inventory BDI II (mean ± SD) 6.0±6.8 3±4.6 (n = 59) 2.7±4.0 5.6±5.7 5.0±5.57
BDI II (median) 4 1 (n = 59) 2 4 2.5
Mayo Fluctuation NA 0.52 ± 0.8 0.46 ± 0.7 0.68 ± 0.9 0.8 ± 1.0
Clinical Assessment of Fluctuation %nonzero (CAF/ODF) NA 10% (0.06/0.1) 14% (0.05/0.26) 28% (0.95/0.5) 53% (1.69,1.42)
% with Diabetes 0% 3% 9% 10% 12%
% with Heart Disease 0% 0% 9% 13% 23%
% with High Blood Pressure 0% 18% 42% 28% 31%
Education Level (university/high school) 38%, 98% 43%, 98% * 50%, 96% 58%, 98% 54%, 96%
Handedness %RH/ %LH 94/5 89/8 91/6 73/13 88/12
Pareidolia Test (%correct, %false positive) N/A 100, 0 (n = 59) 99, 0 (n = 55) 96, 3 (n = 48) 84,11 (n = 20)
EEG Acquisition, time of the day (Hours) 10.1±0.8 10.9±1.8 11.3±2.1 11.6±1.6 12±1.2

Missing data note: If less than 98% of the data for each participant group are available, the number of available records is shown in paratheses.