Skip to main content

Table 3 Measurements of MUNIX detection and clinical function measures in both SCI patient and normal control groups

From: Motor unit number index detects the effectiveness of surgical treatment in improving distal motor neuron loss in patients with incomplete cervical spinal cord injury

 

Early surgical treatment group

Delayed surgical treatment group

Healthy subjects

Number of subjects

17

30

34

Age range (years)

45.0 ± 12.2

47.4 ± 13.1

44.0 ± 11.1

Height range (cm)

164.7 ± 8.9

165.9 ± 9.2

166.9 ± 5.7

 

Left side

Right side

Left side

Right side

Left side

Right side

MUNIX detection

 CMAP-AH

14.0 ± 4.7

14.1 ± 4.8

13.4 ± 4.7

13.3 ± 4.5

14.6 ± 4.9

14.2 ± 5.0

 MUNIX-AH

218.4 ± 108.3

213.6 ± 106.0

195.9 ± 97.5

192.8 ± 96.0

240.8 ± 96.8

240.4 ± 103.5

 MUSIX-AH

71.5 ± 20.3

74.8 ± 24.2*

76.8 ± 14.1*

77.1 ± 14.9*

63.0 ± 12.5

62.7 ± 13.7

 CMAP-TA

6.1 ± 1.3

6.1 ± 1.1

5.9 ± 1.8

5.9 ± 1.5

6.5 ± 1.0

6.5 ± 1.0

 MUNIX-TA

117.3 ± 41.9

113.4 ± 45.6#

95.3 ± 38.2*

89.6 ± 37.2*#

122.9 ± 31.7

119.6 ± 30.8

 MUSIX-TA

58.1 ± 20.3#

61.1 ± 22.2#

70.6 ± 15.6*#

75.7 ± 20.5*#

55.2 ± 10.4

56.4 ± 11.3

 CMAP-EDB

5.6 ± 2.2

5.6 ± 2.3

5.0 ± 2.0*

5.0 ± 2.0

6.0 ± 1.5

5.9 ± 1.9

 MUNIX-EDB

86.9 ± 42.8

84.3 ± 44.0#

69.6 ± 37.4*

60.4 ± 28.5*#

94.8 ± 30.1

94.7 ± 34.4

 MUSIX-EDB

73.8 ± 19.2#

76.7 ± 18.3*#

87.7 ± 30.2*#

92.9 ± 20.0*#

65.2 ± 13.6

63.7 ± 12.2

Clinical function measures

 MRC-AH

4.2 ± 1.0

4.2 ± 1.0

4.1 ± 0.8

4.2 ± 1.0

/

/

 MRC-TA

3.9 ± 1.2

4.0 ± 1.1

3.9 ± 1.0

3.9 ± 1.0

  

 MRC-EDB

3.8 ± 1.3

3.7 ± 1.2

3.7 ± 1.0

3.7 ± 1.0

/

/

 ASIA motor score

81.4 ± 15.2

78.6 ± 18.3

/

  1. SCI Spinal cord injury, MUNIX Motor unit number index, CMAP Compound muscle action potential, MUSIX Motor unit size index, TA tibialis anterior, AH abductor hallucis, EDB Extensor digitorum brevis, MRC Medical research council score, ASIA American spinal injury association
  2. * Statistical difference between the patient and control groups, P < 0.05
  3. # Statistical difference between the early and delayed surgical treatment groups, P < 0.05