Table 2.
Demographic characteristics (median, lower and upper quartiles)
| AD (n = 26) | MCI-stable (n = 9) | HC (n = 26) | |
|---|---|---|---|
| Age, yr | 78.5 (73–83) | 73 (71–75) | 77 (70–81) |
| Education, yr | 13 (11–17) | 15 (12–18) | 12 (11–15) |
| Female sex, % | 42 % | 44 % | 46 % |
| MMS score* | 27 (25–28) | 29 (28–30) | 29 (29–30) |
| Domain scores [20] | |||
| Verbal Attention | −0.26 (−0.89 to 0.36) | −0.58 (−1.2 to 0.57) | 0.06 (−0.56 to 0.99) |
| Attention | −0.92 (−1.32 to 0.34) | −0.5 (−1.28 to 0.09) | −0.04 (−0.9 to 0.34) |
| Verbal Learning Memory* | −2.59 (−2.98 to 1.73) | −1.71 (−2.18 to 1.08) | −0.01 (−0.48 to 0.57) |
| Visual Learning Memory* | −1.18 (−2.01 to 0.61) | −0.31 (−1.52 to 0.47) | 0.07 (−0.42 to 0.71) |
| Verbal Language Production* | −0.68 (−1.2 to 0.11) | −0.19 (−0.7 to 0.1) | 0.38 (−0.1 to 1.02) |
| Executive Motor Ability* | −1.19 (−2.67 to 0.32) | 0.55 (−0.65 to 0.72) | 0.97 (0.13 to 1.92) |
AD Alzheimer’s disease, MCIstable patients with stable or improving cognition over 30 months, HC healthy controls, MMSE Mini Mental State Examination
*p < 0.05 by Kruskal-Wallis test