Table 1 Demographic and cognitive characteristics of the whole sample, disaggregated for increased levels of alpha3/alpha2

Number of subjects

18

38

18

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Age years

70.4 ± 6.7 [60-85]

68.4 ± 8.2 [52-83]

70.4 ± 7.4 [57-80]

.55

0,6

Sex, female

13 (%)

24 (%)

14 (%)

.51

0,67

Education, years

6.6 ± 3.6 [4–18]

7.6 ± 3.7 [3–17]

8.3 ± 4.7 [3–18]

.42

0,89

Mini Mental State Exam

27 ± 1.7 [23–29]

27.4 ± 1.3 [24–30]

26.9 ± 1.2 [23–30]

.46

2,46

Alpha3/alpha2

1.29 ± 0.1 [1.17-1.52]

1.08 ± 0.0 [1-1.16]

0.9 ± 0.1 [0.77-0.98]

.000

144,62