Effectiveness of transforaminal approach spinal endoscopy in the treatment of patients with lumbar disc herniation and the factors affecting its efficacy

To compare the surgical metrics, improvement of functional scores, and clinical efficacy of percutaneous endoscopic transforaminal discectomy (PETD) and percutaneous endoscopic interlaminar discectomy (PEID) and to analyze the independent risk factors affecting the therapeutic efficacy of PETD.