Comparison of clinical efficacy between Percutaneous Endoscopic Large channels nerve decompression through Translaminar approach and Percutaneous Endoscopy Conventional channels nerve decompression through Transforaminal approach for the treatment of degenerative L4/5 spinal stenosis: a retrospective study

Table 5 Comparation of the complication rate between two groups

Characteristics	PEL-TL	PEC-TF	χ2	P
Numbness of lower limbs Pain due to nerve edema Recrudescence Recrudescence Rate (%) Postoperative delirium Dural sac tear Infect 感染 Complication Rate (%)	2 1 1 1.9% 2 0 0 11.1%	1 0 9 12.9% 0 0 0 14.3%	4.98 0.273	0.03 0.60

ISSN: 1471-2474