Patient Demographics and Clinical Dementia Rating scores.

P-values are based on ANOVA test. *Indicates a significant difference, P<0.05. †Indicates a statistically significant difference between the indicated group and the normal control group. ‡Indicates a statistically significant difference between the a-MCI and mild m-DAT group. Pair-wise multiple comparisons between groups were determined using Bonferroni test with α = 0.017 (0.05/3) adjustment. NC: normal control; a-MCI: amnestic mild cognitive impairment; m-DAT: mild dementia of Alzheimer’s type; CDR: clinical dementia rating scale; SOB: sum of boxes.