A comparative study of the far lateral approach of uni-portal non-coaxial spinal endoscopic surgery versus percutaneous endoscopic transforaminal discectomy (PETD) for L5/S1 foraminal stenosis with high iliac crest: a retrospective cohort study.

Int Orthop · 2026 · PMC13275583 · PMID 42154279

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did not reach statistical significanceno p-value reported

Notably, the incidence of transient postoperative paraesthesia was higher in the PETD group (12.5%) than in the uni-portal non-coaxial spinal endoscopic surgery group (4.8%), although the difference did not reach statistical significance.

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