Complications following biportal endoscopic lumbar surgery.
| Complication | Outpatient | Inpatient | Total | P Value |
| (n = 58) | (n = 26) | (N = 84) | ||
| Postoperative radiculitis | 10 (17%) | 5 (19%) | 15 (17.9%) | >0.99 |
| Postoperative weakness | 1 (1.7%) | 1 (3.8%) | 2 (2.4%) | >0.99 |
| Wound drainage | 1 (1.7%) | 0 (0.0%) | 1 (1.2%) | >0.99 |
| Reherniation | 1 (1.7%) | 1 (3.8%) | 2 (2.4%) | >0.99 |