Table 2 Comparison of clinical complications between both groups
|  | OLIF Alone [8] (n = 17) | OLIF + Posterior Fixation (n = 1026) | OLIF Total (n = 1043) | LLIF + Posterior Fixation (n = 1313) | LLIF Total (n = 1562) | |
|---|---|---|---|---|---|---|
vascular complications | 0 | 18 | 18 | 0 | 0 | 0 |
Neurological injury | 0 | 3 | 3 | 2 | 1 | 3 |
thigh pain/numbness, psoas weakness | ||||||
 permanent | 0 | 1 | 1 | 0 | 4 | 4 |
 impermanent | 1 | 90 | 91 | 50 | 277 | 327 |
gastrointestinal and urinary complications | 0 | 26 | 26 | 1 | 21 | 22 |
wound complications | ||||||
 infections | 0 | 3 | 3 | 0 | 11 | 11 |
 Hematoma | 0 | 4 | 4 | 0 | 4 | 4 |
 Seroma | 0 | 1 | 1 | 0 | 1 | 1 |
 wound pain | 2 | 3 | 5 | 0 | 1 | 1 |
Revision Surgery | 0 | 12 | 12 | 3 | 10 | 13 |
Hardware failure | 0 | 4 | 4 | 0 | 1 | 1 |
Failure of Operation | Â | Â | Â | Â | Â | Â |
EndPlate Fracture | 0 | 54 | 54 | 0 | 2 | 2 |
Vertebral fracture | 0 | 2 | 2 | 0 | 3 | 3 |
Cage subsidence | 0 | 53 | 53 | 15 | 5 | 20 |
Rupture of ALL | 0 | 0 | 0 | 0 | 2 | 2 |
complications not directly related to surgical access | Â | Â | Â | Â | Â | Â |
pulmonary/ respiratory | 0 | 1 | 1 | 2 | 1 | 3 |
cardiac | 0 | 1 | 1 | 7 | 10 | 17 |