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Table 4 Correlations between ERD and the characteristics and impairments of ALS patients

From: The correlation between motor impairments and event-related desynchronization during motor imagery in ALS patients

  

Lt hand imagery

Rt hand imagery

  

ERD at C3

ERD at C4

ERD at C3

ERD at C4

Age

ρ

0.28

0.25

0.26

0.40

 

p value

0.51

0.55

0.53

0.33

Disease duration

ρ

0.94

0.93

0.80

0.55

 

p value

0.00

0.00

0.02

0.16

Lt U/E MMT

ρ

0.43

0.54

0.66

0.18

 

p value

0.29

0.17

0.07

0.67

Rt U/E MMT

ρ

0.05

0.11

0.47

0.10

 

p value

0.91

0.79

0.24

0.82

Bulbar scale

ρ

-0.74

-0.83

-0.99

-0.71

 

p value

0.03

0.01

0.00

0.05

ADL (limb scale)

ρ

-0.46

-0.32

-0.06

-0.49

 

p value

0.26

0.43

0.89

0.22

Significant results are highlighted in bold (Spearman correlation coefficient)

  1. Abbreviations: U/E MMT, upper extremity MMT.