Tract-Based Spatial Statistics: Application to Mild Cognitive Impairment

Table 1

General characteristics of the study participants.

	Controls	Dysexecutive	Amnestic	AD
Number of subjects	30	30	30	30
Age (years)	67.2±5.6	65.9±7.6	68.6±8.3	73.9±9.4
Range	61–80	50–84	56–84	54–83
Median	65.5	65	69	76.5
Sex (males/females)	18/12	12/18	17/13	12/18
Education (years)	10.1±4.7	8.0±3.5	8.3±5.3	7.3±6.4
Clinical dementia rating score	0.00±0.00	0.12±0.22	0.47±0.13	1.00±0.57
Apolipoprotein E status
𝜀4 carriers	2	4	11	5
𝜀4 noncarriers	28	23	16	23
Unknown	0	3	3	2

Data are given as means ± standard deviation or counts, as appropriate.