Table 1.

Baseline characteristics of the healthy controls and Alzheimer disease patients from the ADNI database (https://ida.loni.usc.edu)

	Healthy controls	Alzheimer disease patients
Number of subjects	20	20
Male (%)	12 (60)	12 (60)
Mean age ± standard deviation	80.6±7.2*	70.6±10.4*
Mini-Mental State Examination (MMSE) ± standard deviation	29±1.4	22.8±1.9
Clinical Dementia Rating (CDR)	0	0.5/1

^*Mean age differed significantly between healthy controls and Alzheimer disease patients (P = 0.005).