Fig. 1
From: Unbiased estimates of cerebrospinal fluid β-amyloid 1–42 cutoffs in a large memory clinic population
Cerebrospinal fluid β-amyloid 1–42 (Aβ42) cutoff values based on mixture modeling. a Total sample. b Demented subjects. c Nondemented subjects. d Subjects with subjective cognitive decline (SCD). e Subjects with mild cognitive impairment (MCI). f Subjects ≤66.5 years old. g Subjects >66.5 years old. h Apolipoprotein E (APOE) ε4 allele noncarriers. i APOE ε4 allele carriers. Subjects with a clinical diagnosis of Alzheimer’s disease (AD)-type dementia at baseline or at follow-up (nondemented subjects) are shown in gray