Contraceptive use and the risk of sexually transmitted infection: systematic review and current perspectives.

Open Access J Contracept · 2018 · PMC6239113 · PMID 30519127

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

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marginally significantno p-value reported

24 Human papillomavirus Four studies analyzed the association between DMPA use and incident HPV infection and/or HPV persistence; three of these studies identified no association and one identified a marginally significant association.

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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.