Table 1 Inclusion criteria for subsamples

CSF Aβ42

<650 pg/nl

<650 pg/nl

-

>649 pg/nl

MMSE

<25

>24

-

>27

CSF lactate

<3.5mmol/l

<3.5mmol/l

<3.5mmol/l

<3.5mmol/l

Albumin CSF/serum

<15

<15

<15

<15

Diagnostic criteria

McKhann et al. (29)

Albert et al. (2011)

Rascovsky et al. (2011) Gorno-Tempini et al. (2011)

No subjective cognitive impairment; no neurological/psychiatric disease^a