Fetuses-at-risk, to avoid paradoxical associations at early gestational ages: extension to preterm infant mortality | Zendy

Nathalie Auger | Zendy; Nicolas L. Gilbert | Zendy; Ashley I. Naimi | Zendy; Jay S. Kaufman | Zendy

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Fetuses-at-risk, to avoid paradoxical associations at early gestational ages: extension to preterm infant mortality

Author(s) -

Nathalie Auger,

Nicolas L. Gilbert,

Ashley I. Naimi,

Jay S. Kaufman

Publication year - 2014

Publication title -

international journal of epidemiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.406

H-Index - 208

eISSN - 1464-3685

pISSN - 0300-5771

DOI - 10.1093/ije/dyu011

Subject(s) - medicine , fetus , infant mortality , obstetrics , gestational age , risk factor , pediatrics , pregnancy , population , environmental health , biology , genetics

Fetuses-at-risk denominators are commonly used in research on preterm stillbirth, but applications to postnatal outcomes such as preterm infant mortality are controversial. We evaluated whether biased associations between maternal risk factors and preterm infant mortality caused by stratification by preterm birth could be avoided using fetuses-at-risk risk ratios.

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