Genomic Copy Number Analysis in Alzheimer's Disease and Mild Cognitive Impairment: An ADNI Study

Table 1

Sample demographics.

Current diagnosis	Alzheimer's disease	Mild cognitive impairment	Healthy controls	P value
Number of participants	222	136	143	—
Gender (Males/Females)	133/89	87/49	82/61	not significant
Baseline age (Mean ± SD)	75.10±7.27	75.88±7.17	75.83±5.32	not significant
Years of education (Mean ± SD)	15.30±3.05	15.85±3.01	16.24±2.62	0.009
APOE group (e4 negative/e4 positive)	73/149	70/66	108/35	<0.001
Age of onset (Mean ± SD)	74.08±7.73	—	—	—