|
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
|
/
|
- 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
- * Statistical difference between the patient and control groups, P < 0.05
- # Statistical difference between the early and delayed surgical treatment groups, P < 0.05