Table 2 Patient perioperative data
SA-OLIF (n = 20) | OLIF + LP (n = 21) | p value | |
|---|---|---|---|
No. of operative levels, n (%) | |||
Single | 19 (95.0) | 16 (76.2) | 0.184 |
Double | 1 (5.0) | 5 (23.8) | |
Operative time per 1-level (min) | 120.8 ± 32.8 | 103.7 ± 23.7 | 0.064 |
Estimated blood loss per 1-level (ml) | 62 ± 24.0 | 52.3 ± 36.2 | 0.325 |
Perioperative complications, n (%) | |||
Lumbar plexus injury | 1 (5.0) | 2 (12.5) | - |
Sympathetic chain injury | – | 1 (6.3) | |
Pseudohernia | – | 1 (6.3) | |
Revision | 2 (10.0) | 2 (12.5) |