Table 1.

Demographic, pathologic, and biological parameters of study populations.

		AD	Non-AD
Gender	n	1,499	672
	M/F	643/856	358/314
Age (years)	n	1,499	672
	Mean	71.6	70.0
	SD	9.5	10.6
MMSE score (/30)	n	1,093	488
	Mean	20.2	21.6
	SD	5.6	5.5
T-Tau (ng/L)	n	1,499	672
	Median	650	230
	25th–75th P	487–913	168–311
P-Tau181 (ng/L)	n	1,499	672
	Median	83	38
	25th–75th P	68–109	30–48
Aβ42 (ng/L)	n	1,499	672
	Median	539	807
	25th–75th P	443–663	570–1,056
Aβ40 (ng/L)	n	281	244
	Median	19,198	7,112
	25th–75th P	15,162–22,409	5,643–9,636
Aβ42/Aβ40 ratio	n	281	244
	Median	0.053	0.066
	25th–75th P	0.041–0.059	0.049–0.084

AD, Alzheimer’s disease; MMSE, mini mental state evaluation; M, male; F, female; SD, standard deviation; P, percentile.