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Table 2 Perioperative parameters

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 0.00
Hospital stay (days) 4.4 ± 1.2 10.4 ± 2.6 0.00
Complications 3/11 2/9  
  1. PETD percutaneous endoscopic thoracic decompression; PTL posterior thoracic laminectomy