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Group differences in a-cBF and p-cBF volume and MD in the amyloid-stratified subgroups. Subregional volumes (A), and MD (B) for diagnostic groups stratified by amyloid status as determined by the CSF Aβ42/40-ratio. Volume was normalized with total intracranial volume (TIV). Displayed are the group wise means and standard errors of TIV-normalized volumes and MD.
