From: Comparison of percutaneous endoscopic thoracic decompression and posterior thoracic laminectomy for treating thoracic ossification of the ligamentum flavum: a retrospective study
Characteristics
PETD group (n = 11)
PTL group (n = 9)
P value
Duration of surgery (minutes)
95.0 ± 18.8
131.1 ± 19.0
0.00
Drainage (mL)
20.2 ± 7.9
586.1 ± 284.2
Hospital stay (days)
4.4 ± 1.2
10.4 ± 2.6
Complications
3/11
2/9