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Table 3 MDT & APM between-task correlations

From: Robotic tests for position sense and movement discrimination in the upper limb reveal that they each are highly reproducible but not correlated in healthy individuals

Spearman Correlation (r-values, p-values)

 

MDT Task

Discrimination Threshold

Displacement Variability

APM Task

Absolute Error–XY (cm)

r = −0.11 (p = 0.50)

r = − 0.07 (p = 0.66)

Variability–XY (cm)

r = − 0.12 (p = 0.34)

r = − 0.03 (p = 0.83)

Con/Exp Ratio–XY

r = 0.30 (p = 0.06)

r = 0.05 (p = 0.76)

Spatial Shift–XY (cm)

r = − 0.24 (p = 0.12)

r = − 0.26 (p = 0.09)

  

MDT Task – 50 trials

APM Task

Absolute Error–XY (cm)

r = − 0.094 (p = 0.55)

r = − 0.11 (p = 0.49)

Variability–XY (cm)

r = − 0.14 (p = 0.37)

r = − 0.075 (p = 0.64)

Con/Exp Ratio–XY

r = 0.27 (p = 0.08)

r = 0.006 (p = 0.97)

Spatial Shift–XY (cm)

r = −0.24 (p = 0.12)

r = − 0.27 (p = 0.08)