TABLE 1.

Cohort characteristics of the statistical parametric mapping (SPM) database.

Number of subjects	34
Gender (M/F)	12/22
Race (White/Non-White)	31/3
Education (years) ± SD	17 ± 1.7
APOE ε4 status (−/+)	34/0
Age in years at time of PET scan ± SD	62 ± 7.5
Age in years at time of CSF ± SD	62 ± 7.5
Average time in years between CSF and PET acquisition ± SD	0.25 ± 0.31
MMSE ± SD [Range]	29 ± 1.0 [26–30]
QR-PiB (−/+)	34/0
CSF (−/+)	34/0