Table 1: Description of the study sample.

𝑁 31

Male : female19 : 12
Age, years*65.8 (7.86)
MMSE*23.9 (4.41)
CSF BACE1 activity, FU/ 𝜇 l*7793 (2003)
APOE 𝜀 4 +  :  𝜀 4 17 : 14
CSF tau (ng/L)635.58 (310.39)
CSF Aβ42 (ng/L)523.74 (116.79)

*mean (SD), FU: fluorescence units.