|
Prea,b,c
|
1 day postd,e
|
1 week postf
|
1 month post
|
---|
N
|
Percentage (%)
|
N
|
Percentage (%)
|
N
|
Percentage (%)
|
N
|
Percentage (%)
|
---|
Motor weaknessg
|
None
|
14
|
46.7
|
15
|
50.0
|
21
|
70.0
|
24
|
80.0
|
Grade 1
|
2
|
6.7
|
2
|
6.7
|
1
|
3.3
|
1
|
3.3
|
Grade 2
|
4
|
13.3
|
1
|
3.3
|
0
|
0.0
|
0
|
0.0
|
Grade 3
|
5
|
16.7
|
4
|
13.3
|
2
|
6.7
|
0
|
0.0
|
Grade 4
|
5
|
16.7
|
8
|
26.7
|
6
|
20.0
|
2
|
6.7
|
- Pre, preoperatively; Post, postoperatively; N, number of patients
- a,b,cPre vs. 1 day p = 0.21; pre vs. 1 week p = 0.11; pre vs. 1 month p = 0.004, respectively
- d,e1 day vs. 1 week p = 0.104; 1 day vs. 1 month p = 0.002, respectively
- f1 week vs. 1 month p = 0.028
- gWilcoxon signed ranks test