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Table 1 Demographic characteristics of study subjects

From: Longitudinal trajectories of Alzheimer’s ATN biomarkers in elderly persons without dementia

CharacteristicsNCMCITotal
Number103159262
Age (mean years ± SD)74.98 ± 5.9271.75 ± 7.4673.02 ± 7.07
Gender (male/female)59/4491/68150/112
Education (mean years ± SD)16.41 ± 2.8116.13 ± 2.5416.24 ± 2.65
APOE ε4 (carrier/non-carrier)29/7478/81107/155
  1. APOE apolipoprotein E, MCI mild cognitive impairment, NC normal cognition