Evaluation of the various methods of coaxial endoscopic lumbar fusion in treating lumbar degenerative diseases, a retrospective cohort study

To explore the clinical outcomes of coaxial endoscopic lumbar interbody fusion (CELIF), with various internal fixation methods and fusion cages, in the treatment of lumbar degenerative diseases. This retrospective cohort study was approved by the ethics committee of Hospital of Chengdu University of Traditional Chinese Medicine (approval number: 2020SL-010).