From: Evaluation of the learning curve and complications in unilateral biportal endoscopic transforaminal lumbar interbody fusion: cumulative sum analysis and risk-adjusted cumulative sum analysis
Complications
No
No. of cases occurred
Total(n)
11
–
Cage subsidence
2
1st, 11th
Dural tear
3
15th, 20th, 100th
Epidural hematomas
17th, 115th
Nerve root injury
1
136th
Residual symptom
6th, 27th, 83th