Observed to expected or logistic regression to identify hospitals with high or low 30-day mortality?

• Doris Tove Kristoffersen ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Software, Writing – original draft, Writing – review & editing

  * E-mail: DorisTove.Kristoffersen@fhi.no

  Affiliation Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway

  http://orcid.org/0000-0002-8220-2532

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• Jon Helgeland,

  Roles Conceptualization, Formal analysis, Methodology, Software, Supervision, Writing – original draft

  Affiliation Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway

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• Jocelyne Clench-Aas,

  Roles Conceptualization, Investigation, Project administration, Supervision, Writing – review & editing

  Affiliation Division for Physical and Mental Health, Norwegian Institute of Public Health, Oslo, Norway

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• Petter Laake,

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – review & editing

  Affiliation Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway

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• Marit B. Veierød

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Writing – review & editing

  Affiliation Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway

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