The natural history of flail chest injuries.

Chin J Traumatol · 2017 · PMC5831240 · PMID 29042090

Europe PMC DOI

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a nonsignificant trendno p-value reported

Conclusion This study has successfully described the natural history of flail chest injuries, and has found a nonsignificant trend towards better outcomes with conservative management.

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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.