Table 2 Donor’s characteristics across Braak α-synuclein stages

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

Braak α-syn stage10

Controls

Braak 1

Braak 2

Braak 3

Braak 4

Braak 5

Braak 6

p value

N

10

10

3

9

12

14

11

 

Clinical PD N (% clinical PD)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

5 (42%)

12 (86%)

10 (91%)

 

Age at death years; mean [range]

76 [67, 85]

85 [66, 95]

81 [77, 86]

87 [72, 95]

84 [68, 96]

78 [56, 88]

75 [62, 86]

0.003

Sex F/M (%F)

4/6 (40%)

5/5 (50%)

3/0 (100%)

5/4 (56%)

6/6 (50%)

4/10 (29%)

4/7 (36%)

0.4

PMD h:min mean [range]

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

6:25 [4:25, 10:0]

6:40 [4:35, 6:55]

7:15 [4:50, 11:45]

6:40 [4:20, 10:10]

5:55 [4:10, 9:15]

6:40 [3:30, 9:25]

0.4

Thal phase70 N (%)

       

0.11

A0

2 (20%)

2 (20%)

0 (0%)

2 (22%)

1 (8%)

6 (43%)

0 (0%)

 

A1

8 (80%)

6 (60%)

2 (67%)

5 (56%)

6 (50%)

5 (36%)

7 (64%)

 

A2

0 (0%)

2 (20%)

0 (0%)

2 (22%)

5 (42%)

3 (21%)

4 (36%)

 

A3

0 (0%)

0 (0%)

1 (33%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 

Braak NFT stage70 N (%)

       

0.6

B0

2 (20%)

1 (10%)

0 (0%)

0 (0%)

0 (0%)

1 (7%)

0 (0%)

 

B1

5 (50%)

6 (60%)

3 (100%)

6 (67%)

9 (75%)

11 (79%)

9 (82%)

 

B2

3 (30%)

3 (30%)

0 (0%)

3 (33%)

3 (25%)

2 (14%)

2 (18%)

 

B3

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 
  1. Data are the mean and range.
  2. α-syn α-synuclein, F female, M male, NFT neurofibrillary tangles, PD Parkinson’s disease, PMD post-mortem delay.