Use of Nanocrystalline Hydroxyapatite With Autologous BMA and Local Bone in the Lumbar Spine: A Retrospective CT Analysis of Posterolateral Fusion Results.

Clin Spine Surg · 2017 · PMC5367494 · PMID 28323699

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an unexpected trendno p-value reported

There was an unexpected trend of increase in fusion rate with the increase in the number of segments fused, however this was not significant (Fisher exact test: P =0.813).

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