Table 1:

Descriptive statistics^{^a}

Characteristic	AD	MCI	SCD	P Value
Sex				.93
Male (%)	39.8	41.9	42.1
Female (%)	60.2	58.1	57.9
Race				.23
Caucasian or white (%)	58.5	68.0	60.5
Other (%)	41.5	32.0	39.5
Highest education				.15
≤High school (%)	28.8	20.9	15.8
>High school (%)	71.2	79.1	84.2
Arterial hypertension				.45
Yes (%)	71.2	66.9	60.5
No (%)	28.8	33.1	39.5
Diabetes mellitus				.14
Yes (%)	18.6	23.3	34.2
No (%)	81.4	76.7	65.8
Age at diagnosis (yr)	78 (71–84)	74 (69–78)	67 (54–78)	<.001^{^b}
NTHV (%)	0.35 (0.33–0.37)	0.41 (0.40–0.43)	0.48 (0.42–0.50)	<.00^{^b}
Maximum MTA score	3.0 (2.0–3.0)	1.0 (0.0–2.0)	1.0 (0.0–2.0)	<.001^{^b}
Maximum ERiCA score	2.0 (1.0–2.0)	1.0 (0.0–2.0)	1.0 (0.0–1.0)	<.001^{^b}

↵a 50% median and interquartile ranges (in parentheses) are shown for age at diagnosis, NTHV, maximum MTA and maximum ERiCA scores. Maximum MTA and maximum ERiCA refer to the higher scores of the right and left values of the respective parameters.
↵b Denotes statistical significance at α = .05.