Blar i Bergen Open Research Archive på forfatter "Keyes, Katherine M."

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    • High birth weight and perinatal mortality among siblings. A register based study in Norway, 1967-2011 

      Kristensen, Petter; Keyes, Katherine M.; Susser, Ezra; Corbett, Karina; Mehlum, Ingrid Sivesind; Irgens, Lorentz M. (Peer reviewed; Journal article, 2017-02-28)
      Background: Perinatal mortality according to birth weight has an inverse J-pattern. Our aim was to estimate the influence of familial factors on this pattern, applying a cohort sibling design. We focused on excess mortality ...

    • An international contrast of rates of placental abruption: An age-period-cohort analysis 

      Ananth, Cande V.; Keyes, Katherine M.; Hamilton, Ava; Gissler, Mika; Wu, Chunsen; Liu, Shiliang; Luque-Fernandez, Miguel Angel; Skjaerven, Rolv; Williams, Michelle A.; Tikkanen, Minna; Cnattingius, Sven (Peer reviewed; Journal article, 2015-05-27)
      Background: Although rare, placental abruption is implicated in disproportionately high rates of perinatal morbidity and mortality. Understanding geographic and temporal variations may provide insights into possible amenable ...