From: Early efficacy observation of the unilateral biportal endoscopic technique in the treatment of multi-level lumbar spinal stenosis
Postoperative follow-up
Efficacy evaluation (%)
Excellent
Good
Acceptability
Poor
7 Days after surgery
8 (30.77%)
12 (46.15%)
4 (15.38%)
2 (7.69%)
6 Months after surgery
10 (38.46%)
14 (53.85%)
0 (0.00%)