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Table 3 Spearman correlation coefficients among CSF protein levels

From: Correlated levels of cerebrospinal fluid pathogenic proteins in drug-naïve Parkinson’s disease

  

Total αS

O-αS

Aβ1–42

Total tau

P-tau181p

Total αS

r

1.000

    

p

    

n

27

    

O-αS

r

0.074

1.000

   

p

0.7142

   

n

27

27

   

Aβ1–42

r

0.613***

0.375

1.000

  

p

0.0007

0.0536

  

n

27

27

27

  

Total tau

r

0.839***

−0.108

0.365

1.000

 

p

0.0000

0.5916

0.0609

 

n

27

27

27

27

 

P-tau181p

r

0.614**

−0.022

0.138

0.665***

1.000

p

0.0011

0.9170

0.5110

0.0003

n

25

25

25

25

25

  1. **: p < 0.01, ***:p < 0.001
  2. Abbreviations: Total αS, Total α-synuclein; O-αS, Oligomeric α-synuclein; P-tau181p, tau phosphorylated at threonine 181