Topping-off technique prevents aggravation of degeneration of adjacent segment fusion revealed by retrospective and finite element biomechanical analysis.

J Orthop Surg Res · 2015 · PMC4324860 · PMID 25627068

Europe PMC DOI

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closest p · 1.0× alpha

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The sentences

did not reach statistical significanceP > 0.05actually significant

Standing lateral x-ray showed that both anterior (aDH/ W ) and posterior (pDH/ W ) disc height of L4-L5 increased in both groups, but the difference did not reach statistical significance ( P > 0.05).

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