Table 2 Spearman correlation coefficient of the feature values, the age, and the classification task if the correlation is significant (*: p ≤ 0.05/c, **: p ≤ 0.01/c, ***: p ≤ 0.001/c, after Bonferroni-Correction c = 14).

From: Utilizing a tablet-based artificial intelligence system to assess movement disorders in a prospective study

 

Age

Task 1

PD versus CG

Task 2

MD versus CG

Task 3

PD versus DD

Age

  

0.53**

QYes

 

0.63***

0.55***

 

F1c DistanceFFT

 

0.44*

0.5***

 

F2 MaxDistance

 

0.7***

0.58***

 

F3 MeanDistance

 

0.66***

0.55***

 

F4 StDevDistance

 

0.7***

0.58***

 

F5 ChangeOfRadiusDirection

   

− 0.41*

F6 ChangeOfDirectionX

    

F7 ChangeOfDirectionY

    

F8 MeanForce

    

F9 StDevDistance

 

0.46**

0.33*

 

F10 MedianForce

    

F11 TimeOfDrawing

    

F12 MeanVelocity

    

F13 StDevForce

  

0.36*