Clinical outcomes of uni-portal non-coaxial spinal endoscopic surgery versus unilateral biportal endoscopic surgery for lumbar spinal stenosis: a retrospective cohort study.

Front Surg · 2026 · PMC13230015 · PMID 42245291

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did not reach statistical significanceno p-value reported

Although the rates of dural tear, transient paresthesia, surgical site infection, and reoperation were numerically lower in the UNSES group, these differences did not reach statistical significance and should not be overinterpreted.

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