Table 1 Demographic and clinical variables, mean (standard deviation)

Male to female

22:9

15:21

35:4

χ² = 20.0, p < 0.001^a

p(HC,MCI-AD) = 0.02

p(HC,MCI-LB) = 0.045

p(MCI-AD,MCI-LB) < 0.001

Age

73.7 (7.3)

76.1 (7.7)

74.7 (6.4)

F(2, 103) = 1.0, p = 0.38^b

AChEI

–

7 (19%)^e

18 (46%)^f

χ² = 5.7, p = 0.02^c

PD meds

–

0^e

4 (10%)^f

χ² = 3.8, p = 0.052^c

Years of education

14.7 (4.0)^g

12.9 (3.4)^h

12.1 (2.8)

F(2, 100) = 5.1, p = 0.008^c

p(HC,MCI-AD) = 0.12

p(HC,MCI-LB) = 0.006

p(MCI-AD,MCI-LB) = 0.87

ACE-R

92.7 (4.2)

82.4 (8.5)

83.8 (9.2)

t₇₃ = 0.7, p = 0.50^d

MMSE

28.5 (1.1)

26.9 (2.1)

26.6 (2.5)

t₇₃ = 0.7, p = 0.51^d

UPDRS III

5.5 (4.4)

15.1 (13.8)

23.3 (14.2)

t₇₃ = 2.5, p = 0.01^d

DCFS

–

6.9 (1.9)ⁱ

8.5 (3.3)^k

t₆₁ = 2.4, p = 0.02^d

CAF total

–

1.4 (2.7)ⁱ

3.7 (4.2)^k

t₆₁ = 2.5, p = 0.02^d

NPI total

–

8.6 (9.3)ⁱ

16.4 (12.9)^k

t₆₁ = 2.7, p = 0.01^d

NEVHI

–

0.8 (1.5)^e

2.7 (4.1)

t₇₁ = 2.6, p = 0.01^d

GDS

1.3 (1.8)

3.5 (2.5)

5.1 (4.1)

F(2, 103) = 13.4, p < 0.001^b

p(HC,MCI-AD) = 0.01

p(HC,MCI-LB) < 0.001

p(MCI-AD,MCI-LB) = 0.08