Incidence and risk factors of obstetric anal sphincter injuries: a retrospective study.

Ann Saudi Med · 2025 · PMC12640527 · PMID 41275344

Europe PMC DOI

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close to significanceno p-value reported

Labor type and episiotomy rates were also similar across both groups, though induced labor ( P =.083) and unknown episiotomy status ( P =.076) were close to significance.

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a decreasing trendno p-value reported

SAMPLE SIZE: 112 cases of OASIS among 12081 vaginal deliveries RESULTS: The incidence of OASIS was 0.93%, showing a decreasing trend from 2017 to 2020.

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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.