Table 6.

Multiple regression of age group, ApoE ɛ4 allele, and plasma biomarkers.

	Variables in regression equation	F-ratios	p	Co-efficient of determination	Variables excluded from equation
Aβ40	Age group, t-Tau	7.13	= 0.0001	0.1588	ApoEɛ4, Aβ42
Aβ42	Age group, t-Tau	21.35	<0.0001	0.3612	ApoEɛ4, Aβ40
t-Tau	Age group, Aβ40, Aβ42	23.05	<0.0001	0.3702	ApoEɛ4