Clinical features of chronic cluster headache based on the third edition of the International Classification of Headache Disorders: A prospective multicentre study.

PLoS One · 2019 · PMC6709915 · PMID 31449536

Europe PMC DOI

hedged sentences

0.0910

closest p · 1.8× alpha

0.0910

boldest claim

The sentences

marginally insignificantp = 0.091so close (0.05 < p ≤ 0.1)

The frequency of CCH participants experiencing severe impact of headache was marginally higher compared with that of ECH participants; the difference was marginally insignificant (100.0% vs. 81.3%, p = 0.091).

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clearly significantno p-value reported

They observed how smoke habit may lead CH to become chronic lathough to clearly significant (probably due to the small numeber of pts).

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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.