Is a central cavity necessary for bioactive glass-ceramic spacers in plated ACDF? A retrospective comparison of solid versus cavity designs.

Arch Orthop Trauma Surg · 2026 · PMC13279369 · PMID 42315626

Europe PMC DOI

hedged sentences

0.0640

closest p · 1.3× alpha

0.0640

boldest claim

The sentences

showed a trendp = 0.064so close (0.05 < p ≤ 0.1)

The non-cavity group showed a trend toward superior segmental stability, with a smaller dynamic gap distance (0.82 ± 0.64 mm vs. 1.53 ± 1.99 mm, p = 0.064).

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did not reach statistical significanceno p-value reported

Although the differences in categorical fusion rates did not reach statistical significance, the continuous variables revealed a compelling biomechanical trend.

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