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Table 2 Mean values and group comparisons HC vs. MG patients

From: Quantitative motor assessment of muscular weakness in myasthenia gravis: a pilot study

Parameter

MG

HC

p-value

Partial eta square

Mean (SD)

Mean (SD)

Isometric grip force 500 g_non-dominant (N)

8.6 (2.9)

8.6 (2.6)

0.93

0.00

Position index 500 g_non-dominant (cm/s)

2.7 (1.2)

1.6 (0.7)

<0.001

0.22

Orientation index 500 g_non-dominant (°/s)

8.6 (4.6)

4.8 (2.1)

0.001

0.19

Isometric grip force 500 g_dominant (N)

8.5 (3.7)

9.3 (3.7)

0.34

0.02

Position index 500 g_dominant (cm/s)

2.7 (1.1)

1.6 (0.6)

<0.001

0.24

Orientation index 500 g_dominant (°/s)

6.9 (2.3)

4.3 (1.6)

<0.001

0.27

Isometric grip force 250 g_non-dominant (N)

6.0 (2.7)

6.7 (3.7)

0.26

0.04

Position index 250 g_non-dominant (cm/s)

1.6 (0.6)

1.0 (0.4)

<0.001

0.24

Orientation index 250 g_non-dominant (°/s)

8.1 (3.3)

4.9 (2.3)

<0.001

0.21

Isometric grip force 250 g_dominant (N)

5.8 (2.3)

6.4 (2.9)

0.29

0.02

Position index 250 g_dominant (cm/s)

1.8 (0.7)

1.1 (0.4)

<0.001

0.27

Orientation index 250 g_dominant (°/s)

7.2 (4.1)

4.3 (2.1)

0.003

0.15

  1. Means and standard deviation (in parentheses) of Q-Motor grip force and involuntary movement assessments. HC healthy controls, MG myasthenia gravis