Table 2 Description of the Alzheimer’s disease (AD), mild cognitive impairment (MCI), and healthy control (HC) cohorts

Number of subjects (n)

26

26

26

Age range (years)

75–87

74–86

75–85

Mean age (years)

79.6

79.6

79.3

 Male

13

13

13

 Female

13

13

13

MMSE score (range)

6–25

21–30

27–30

MMSE score (mean ± SD)

17.93 ± 5.5

27.5 ± 2.4

29.6 ± 0.8

CDR (range)

4.5–13

0.5–4.5

0–0.5

CDR (mean ± SD)

8 ± 3.1

1.97 ± 1.3

0.07 ± 2.1