Clinical review: percutaneous dilatational tracheostomy.

Crit Care · 2006 · PMC1550816 · PMID 16356203

Europe PMC DOI

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did not reach statistical significanceno p-value reported

They found that late tracheal complications were more prevalent in the PDT group, but these did not reach statistical significance.

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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.