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Quantifying variation of paediatric length of stay among intensive care units in Australia and New Zealand
  1. Lahn Straney1,
  2. Archie Clements1,
  3. Jan Alexander2,
  4. Anthony Slater3,
  5. for the ANZICS Paediatric Study Group
  1. 1School of Population Health, University of Queensland, Brisbane, Queensland, Australia
  2. 2Australian and New Zealand Intensive Care Society, Carlton, Victoria, Australia
  3. 3Royal Children's Hospital, Brisbane, Queensland, Australia
  1. Correspondence to Lahn Straney, School of Population Health, University of Queensland, Level 2, Public Health Building, Herston Road, Brisbane, QLD 4006, Australia; l.straney{at}uq.edu.au

Abstract

Objective To quantify variation of mean paediatric length of stay (LoS) among intensive care units (ICUs) in Australia and New Zealand.

Method Retrospective data from Australian and New Zealand institutions that admitted children to ICU were analysed. The data were collected between 1997 and 2006, providing a total of 123 institution years of data (an average of 6.15 years per site). Using 47 068 admissions, LoS was modelled as the outcome variable of a Γ regression with a child's risk factors entered as fixed effects (allowing adjustment for case mix) and variation among ICUs modelled using a random effect.

Results Six Australasian ICUs had an average risk-adjusted LoS for children, which was significantly shorter than average, whereas five had an average LoS that was significantly longer than average. The remaining nine sites had average LoS that were not significantly different from the average (at the 95% level). Among other risk factors, previous admission to an ICU and respiratory support within the first hour of admission were both associated with prolonged LoS.

Conclusion There was significant variation in paediatric LoS at the ICU level not accounted for by patient case-mix. This has important implications for efficiency of ICU processes and, possibly, other components of quality of patient care in those institutions with longer LoS.

  • Quality indicators
  • paediatrics
  • length of stay
  • intensive care
  • healthcare quality assessment
  • quality of care
  • outcome
  • healthcare quality
  • statistics
  • patient outcomes
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Footnotes

  • Funding LS's PhD stipend is funded by the Australian and New Zealand Intensive Care Society (Carlton, Victoria, Australia). The ANZPIC Registry is supported by the Australian and New Zealand Intensive Care Society, the Ministry of Health (New Zealand), and State and Territory Health Departments through the Australian Health Ministers’ Advisory Council.

  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed

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