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Table 5 Comparison between healthy controls and MS subjects with subtle arm impairment – ARAT sections

From: Quantitative assessment of upper limb motor function in Multiple Sclerosis using an instrumented Action Research Arm Test

  

Controls

MSmaxARAT

p(MWt)

GRASP

Task Duration [s]

2.0 (1.7-2.3)

2.4 (2.1-2.5)

0.018

Task Jerk Index [ ]

3.0 (2.9-3.4)

3.2 (3.0-3.3)

0.042

GRIP

Task Duration [s]

2.7 (2.0-3.5)

3.3 (2.6-4.1)

0.049

Task Jerk Index [ ]

3.5 (3.2-3.8)

3.7 (3.4-4.0)

0.034

PINCH

Task Duration [s]

2.3 (1.9-3.0)

2.8 (2.6-3.6)

0.035

Task Jerk Index [ ]

3.1 (2.9-3.4)

3.3 (3.1-3.7)

0.029

GROSS

Task Duration [s]

1.6 (1.2-1.9)

1.7 (1.5-2.1)

0.035

 

Task Jerk Index [ ]

2.7 (2.4-2.9)

2.8 (2.8-3.4)

0.024

  1. Values are median (non-outlier range).
  2. MSmaxARAT: MS subjects evaluated with maximum ARAT score (i.e. normal upper limb function); MWt: Mann–Whitney U Test (Controls vs MSmaxARAT).