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Related Experiment Video

Updated: May 2, 2026

Observational Study Protocol for Repeated Clinical Examination and Critical Care Ultrasonography Within the Simple Intensive Care Studies
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Delayed Admission to the Intensive Care Unit Is Associated With Increased Mortality Risk in Critically Ill Patients:

Shivaprasad Anagi1,2,3, Diane Chamberlain3,4, Nigel Barr5

  • 1Older Persons Emergency Network, Metro North Hospital and Health Services, Brisbane, Queensland, Australia.

Journal of Advanced Nursing
|March 13, 2026
PubMed
Summary

Delayed intensive care unit (ICU) admission significantly increases patient mortality, especially for those with worsening organ dysfunction. Expediting transfers for deteriorating patients is crucial for better outcomes in Australian hospitals.

Keywords:
hospital mortalityintensive care unitspatient admissionpatient flowtime‐to‐treatment

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Area of Science:

  • Critical Care Medicine
  • Hospital Operations
  • Patient Safety

Background:

  • Delays in intensive care unit (ICU) admission are a concern for patients experiencing acute deterioration.
  • Effective triage and transfer protocols are vital for managing critically ill patients.

Purpose of the Study:

  • To investigate the association between delayed ICU admission and patient outcomes.
  • To analyze the impact of delays on mortality and organ dysfunction (SOFA scores).

Main Methods:

  • Prospective cohort study over 12 months in a regional Australian hospital.
  • Included adult patients transferred from ED or wards to ICU.
  • Measured ICU admission delays, mortality, and Sequential Organ Failure Assessment (SOFA) scores.

Main Results:

  • 68.5% of 403 patients experienced delayed ICU admission (median 7.13 hours).
  • Delayed admission was linked to increased mortality.
  • Higher SOFA scores significantly correlated with higher mortality odds.

Conclusions:

  • Delayed ICU admission is a significant risk factor for increased mortality.
  • Elevated SOFA scores in patients with delayed admission indicate greater clinical instability.
  • Improved triage and transfer systems are essential to reduce harm and improve outcomes for deteriorating patients.