The use of non-invasive ventilation during acute respiratory failure due to pneumonia.

Eur J Intern Med · 2012 · PMC7126754 · PMID 22726370

Europe PMC DOI

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failed to reach statistical significanceno p-value reported

By contrast, arterial oxygenation improved similarly with CPAP-10 and PSV 10–10, while this increase failed to reach statistical significance for PSV 15–5.

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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.