Table 2 Basic information of the patients (n = 42)
Electromagnetic navigation group | |
|---|---|
N | 42 |
Age (years) | 59.2 ± 10.15 |
Gender (Female/Male) | 22/20 |
Surgical segment | |
L3-L4 | 2 |
L4-L5 | 27 |
L5-S1 | 13 |
Etiological classification | |
Isthmic | 9 |
Degenerative | 33 |
Meyerding classification | |
I° | 35 |
II° | 7 |