Table 3.

Demographic data for plasma samples used for targeted mass spectrometry biomarker validation

	Controls	Alzheimer Disease	P-value
Age in years	72.9 (6)	76.9 (7.4)	0.003*
% APOE ε4	13	37	0.01#
% APOE ε2	20.5	6.8	0.06#
% Female	50	50
Amyloid PET SUVR	1.17 (0.05)	2.35 (0.49)a	2e-10
n	44	44

*p-value calculated using non-paired Student’s t-test

#p-value for APOE allele frequency calculated using N-1 χ²

^aPET scans are only available for 22 of the 44 cases