Table 1 Demographics and pathological scores of donors in the study cohort

From: Synaptic enrichment of pSer129 alpha-synuclein correlates with dopaminergic denervation in early-stage Parkinson’s disease

Parameters

Control

iLBD

PD

p value

N (tot = 69)

10

32

27

 

Sex F/M (%F)

4/6 (40%)

20/12҂ (63%)

7/20 (26%)

0.015*

Age at death years; mean [range]

76 [67, 85]

85##, ҂҂ [66, 96]

77 [56, 92]

< 0.001***

Disease duration years; mean [range]

16 [8, 28]

 

PMD h:min Mean [range]

6:35 [3:50, 8:45]

6:35 [4:25, 11:45]

6:30 [3:30, 10:10]

0.3

Braak α-syn stage10 N (%)

   

0

10 (100%)

0 (0%)

0 (0%)

 

1

0 (0%)

10 (31%)

0 (0%)

 

2

0 (0%)

3 (9.4%)

0 (0%)

 

3

0 (0%)

9 (28%)

0 (0%)

 

4

0 (0%)

7 (22%)

5 (19%)

 

5

0 (0%)

2 (6.3%)

12 (44%)

 

6

0 (0%)

1 (3.1%)

10 (37%)

 

Braak NFT stage70 N (%)

   

0.14

B0

2 (20%)

1 (3.1%)

1 (3.7%)

 

B1

5 (50%)

21 (66%)

22 (81%)

 

B2

3 (30%)

10 (31%)

4 (15%)

 

B3

0 (0%)

0 (0%)

0 (0%)

 

Thal phase70 N (%)

   

0.3

A0

2 (20%)

5 (16%)

6 (22%)

 

A1

8 (80%)

19 (59%)

12 (44%)

 

A2

0 (0%)

7 (22%)

9 (33%)

 

A3

0 (0%)

1 (3.1%)

0 (0%)

 
  1. Data are the mean and range. Group comparison: p < 0.01**, p < 0.001***. Post-hoc: p < 0.01## compared to controls; p < 0.05҂, p < 0.01҂҂ compared to PD (Mann–Whitney U-test for continuous data and Fisher exact test for categorical data).
  2. α-syn α-synuclein, F female, iLBD incidental Lewy body disease, M male, NFT neurofibrillary tangles, PD Parkinson’s disease, PMD post-mortem delay, tot total.