Table 1 Demographics and clinical variables.

Age

76.18

±5.65

76.46

±7.83

75.8

±6.5

73.29

±5.842

F(3,85) = 1.03, p-value = 0.380^Т

Male/Female

Χ²(3, N = 89) = 5.89, p-value = 0.117^ǂ

MMSE

29.12

±0.857

20.08

±4.279

22.64

±4.3

22.71

±4.85

F(2,69) = 2.81; p-value = 0.067*

CAMCOG total

96.47

±3.69

66.54

±16.46

76.08

±12.92

73.38

±13.88

F(2,69) = 2.89; p-value = 0.063*

CAMCOG executive

22.71

±2.25

14.46

±5.49

13.12

±5.03

12.9

±2.86

F(2,69) = 0.79; p-value = 0.457*

CAMCOG memory

23.47

±2.035

10.88

±5.1

18.04

±4.9

17.48

±5.05

F(2,69) = 15.5; p-value < 0.001*

CAMCOG attention

6.76

±0.562

3.81

±2.514

4.4

±2.27

4.19

±1.721

F(2,69) = 0.465; p-value = 0.63*

NPI hall

0

0

0.04

±0.2

1.76

±1.86

2.57

±2.29

F(2,68) = 14.1; p-value < 0.001*

CAF total

0

0

0.6

±1.52

3.92

±4.142

6.63

±4.271

t(42) = 2.12, p-value = 0.03^╤

Animal Categorical fluency

20.71

±5.71

11.15

±5.25

11.16

±3.88

11.33

±4.14

F(2,69) = 0.011; p-value = 0.989*

UPDRS III

1.24

±1.522

2.28

±1.929

15.52

±8.2

25.57

±7.018

t(44) = 4.42, p-value < 0.001^╤

Angle discrimination

19.63

±0.88

18.24

±3.72

16.17

±4.85

16.55

±4.99

H(2) = 4.1, p-value = 0.129^ǂ

FAS Verbal fluency

45.12

±16.53

25.96

±16.14

19.68

±12

20.81

±13.7

H(2) = 1.94, p-value = 0.378^ǂ

LEDD

0

0

0

0

164.88

±231.6

818.23

±381.3

t(44) = 7.15, p-value < 0.001^╤

ACheI (yes/no)

Χ²(2, N = 71) = 2.13, p-value = 0.346

Years since diagnosis

0

0

1.77

±1.13

0.87

±0.63

1.41

±1.91

H(2) = 10.9, p-value = 0.004^ǂ