Durability of One- and Two-Level Lumbar Fusion Surgeries: A Survivorship Analysis Based on Revision Surgery Rates.

J Am Acad Orthop Surg Glob Res Rev · 2026 · PMC13278240 · PMID 42307618

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did not reach statistical significanceno p-value reported

The rates of nonunion (4.3% vs 3.7%) and infection (2.5% vs 2.0%) were also slightly higher in the 2-level cohort, although these differences did not reach statistical significance.

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