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Table 3 Relationship between α-synucleinopathy (AS) and a diagnosis of Parkinson’s disease (PD), visual hallucinations (VH) and auditory hallucinations (AH)

From: Alpha-synucleinopathy and neuropsychological symptoms in a population-based cohort of the elderly

Brain area

% (brains showing AS)

No PD (n = 201)

PD (n = 7)

OR (95% CI)

P

No VH (n = 196)

VH (n = 12)

OR (95% CI)

P

No AH (n = 194)

AH (n = 14)

OR (95% CI)

P

Substantia nigra

11

50

7.8 (1.0 to 60.6)

<0.01

12

30

3.2 (0.5 to 15.5)

0.09

11

31

3.5 (0.7 to 13.9)

0.04

Vagus nucleus

21

43

2.9 (0.4 to 17.8)

>0.2

21

25

1.2 (0.2 to 5.3)

>0.2

22

36

2.2 (0.5 to 7.8)

>0.2

Amygdala

22

57

4.7 (0.7 to 33.4)

0.03

22

45

3.0 (0.7 to 12.3)

0.07

22

36

1.9 (0.5 to 6.9)

>0.2

Frontal cortex

2

0

  

2

0

  

2

0

  

Temporal cortex

2

0

  

2

8

4.0 (0.1 to 44.2)

>0.2

2

0

  

Parietal cortex

3

29

11.1 (0.9 to 82.3)

<0.01

4

8

2.1 (0.04 to 18.5)

>0.2

4

7

1.8 (0.04 to 15.2)

>0.2

Hippocampus

2

0

  

2

0

  

2

0

  

Entorhinal cortex

6

0

2.1 (0.04 to 18.2)

>0.2

7

0

  

6

7

1.2 (0.02 to 9.1)

>0.2

Cingulate cortex

3

14

5.4 (0.1 to 57.2)

>0.2

3

8

2.9 (0.05 to 27.1)

>0.2

3

7

2.4 (0.05 to 22.2)

>0.2

  1. CI, confidence interval; OR, odds ratio.