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Original research
Nurse staffing, nursing assistants and hospital mortality: retrospective longitudinal cohort study

Authors

  • Peter Griffiths Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (NIHR CLAHRC) Wessex, Southampton, UK PubMed articlesGoogle scholar articles
  • Antonello Maruotti Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK Dipartimento di Scienze Economiche, Politiche e delle Lingue Moderne, Libera Universita Maria Santissima Assunta, Roma, Italy PubMed articlesGoogle scholar articles
  • Alejandra Recio Saucedo Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (NIHR CLAHRC) Wessex, Southampton, UK PubMed articlesGoogle scholar articles
  • Oliver C Redfern Centre for Healthcare Modelling and Informatics Portsmouth, University of Portsmouth, Portsmouth, UK Medical Sciences Division, University of Oxford Nuffield Department of Clinical Neurosciences, Oxford, UK PubMed articlesGoogle scholar articles
  • Jane E Ball Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (NIHR CLAHRC) Wessex, Southampton, UK PubMed articlesGoogle scholar articles
  • Jim Briggs Centre for Healthcare Modelling and Informatics Portsmouth, University of Portsmouth, Portsmouth, UK PubMed articlesGoogle scholar articles
  • Chiara Dall'Ora Faculty of Environmental and Life Sciences, University of Southampton, Southampton, UK National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (NIHR CLAHRC) Wessex, Southampton, UK PubMed articlesGoogle scholar articles
  • Paul E Schmidt National Institute for Health Research Collaboration for Leadership in Applied Health Research and Care (NIHR CLAHRC) Wessex, Southampton, UK Acute Medicine Unit, Portsmouth Hospitals NHS Trust, Portsmouth, UK PubMed articlesGoogle scholar articles
  • Gary B Smith Faculty of Health and Social Sciences, University of Bournemouth, Bournemouth, UK PubMed articlesGoogle scholar articles
  • On behalf of Missed Care Study Group
    Google scholar articles
  1. Correspondence to Professor Peter Griffiths, Faculty of Health Sciences, University of Southampton, Southampton SO17 1BJ, UK; peter.griffiths{at}soton.ac.uk
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Citation

Griffiths P, Maruotti A, Recio Saucedo A On behalf of Missed Care Study Group, et al
Nurse staffing, nursing assistants and hospital mortality: retrospective longitudinal cohort study
BMJ Quality & Safety 2019;28:609-617.

Publication history

  • Received March 2, 2018
  • Revised October 13, 2018
  • Accepted October 30, 2018
  • First published December 4, 2018.
Online issue publication 
June 29, 2021

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY. Published by BMJ. This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: http://creativecommons.org/licenses/by/4.0