Different concomitant diseases are accompanied by different effects of the prone position in acute respiratory failure

Crit Care · 2004 · PMC4099623

Europe PMC

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showed a trendno p-value reported

Multiple trauma patients showed a trend for better oxygenation but not a significant increase of the oxygenation index after starting PPV.

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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.