Rigid Cervical Collars after Posterior Cervical Fusion: Do They Improve Outcomes? A Randomized Clinical Trial.

Asian J Neurosurg · 2026 · PMC13155909 · PMID 42110928

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near-significantno p-value reported

Collectively, these results suggest that the clinical benefits of PCDF are robust and largely unaffected by the use of postoperative cervical collars. An additional observation was a near-significant imbalance in the number of patients undergoing five-level fusion, with more cases in the no-collar group (eight patients) compared with the collar group (two patients; p = 0.051).

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did not reach statistical significanceno p-value reported

While this difference did not reach statistical significance, it may indicate a slightly higher surgical complexity in the no-collar group.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.