Is L5/S1 interbody fusion necessary with concurrent iliac fixation for long segment spinal fusion constructs?-a systematic review of biomechanical studies.

J Spine Surg · 2025 · PMC12775628 · PMID 41509861

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did not reach statistical significanceno p-value reported

There was a trend toward decreased S1 screw strain, but did not reach statistical significance ( 9 ).

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