Table 1 Patient demographics and baseline characteristics
| Â | Groups | p value | ||||||
|---|---|---|---|---|---|---|---|---|
Group 1 N=22 | Group 2 N=24 | Total N=46 | ||||||
N | % | N | % | N | % | |||
Age (years) | Mean ± SD | 41.2±10.5 | 39.1±9.7 | 40.1±10.0 | 0.493 | |||
Sex | Female | 10 | 45.5 | 11 | 45.8 | 21 | 45.7 | 0.979 |
Male | 12 | 54.5 | 13 | 54.2 | 25 | 54.3 | ||
Level | T12-L1 | 5 | 22.7 | 5 | 20.8 | 10 | 21.7 | 0.922 |
L1-L2 | 7 | 31.8 | 9 | 37.5 | 16 | 34.8 | ||
L2-L3 | 10 | 45.5 | 10 | 41.7 | 20 | 43.5 | ||
Preoperative muscle weakness | Absent | 14 | 63.6 | 17 | 70.8 | 31 | 67.4 | 0.603 |
Present | 8 | 36.4 | 7 | 29.2 | 15 | 32.6 | ||
Preoperative sphincteric disturbance | No | 16 | 72.7 | 16 | 66.7 | 32 | 69.6 | 0.655 |
Yes | 6 | 27.3 | 8 | 33.3 | 14 | 30.4 | ||