Table 1 Clinical characteristics during the baseline assessment

Age (years)

74.75 (7.47)

73.12 (4.25)

0.60

U = 30.50, p = 0.87

Education (years)

8.06 (4.93)

5.56 (2.41)

0.22

U = 19.50, p = 0.19

Mini-Mental State Examination

26.75 (1.58)

25.12 (2.74)

0.16

U = 18.50, p = 0.16

Clinical Dementia Scale

0.25 (0.26)

0.50 (0.26)

0.08

U = 18.00, p = 0.16

Gender (male/female)

3/5

2/6

χ² = 2.25 p = 0.13

χ² = 2.25, p = 0.13

Hopkins Verbal Learning Test

4.37 (3.42)

3.12 (3.22)

0.46

U = 25.00, p = 0.50