Factors affecting exhaled nitric oxide measurements: the effect of sex.

Respir Res · 2007 · PMC2231356 · PMID 18005450

Europe PMC DOI

hedged sentences

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closest p

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boldest claim

The sentences

highly significantno p-value reported

a similar highly significant difference between males and females was recorded [ 28 ].

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failed to reach statistical significanceno p-value reported

The reasons why the difference failed to reach statistical significance are unclear.

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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.