Table 1.

Baseline characteristics of 819 participants in ADNI

Abbreviations: Aβ = β-amyloid; AD = Alzheimer's disease; ADAS-cog = Alzheimer's Disease Assessment Scale–Cognitive Subscale; ADNI = Alzheimer's Disease Neuroimaging Initiative; CV = cardiovascular; FDG = [¹⁸F]fludeoxyglucose; MCI = mild cognitive impairment; MMSE = Mini-Mental State Examination; NC = normal cognition; ROI = region of interest; WMH = white matter hyperintensity.

^a Executive function composite score is calculated by summing the total correct numbers in digit span (forward and backward), category fluency (animals and vegetables), and digit symbol substitution tests.