• Jack D'Arcy, Suzanne Doherty, Luke Fletcher, NetoAry SerpaASAustin Health, Melbourne, Australia.Data Analytics Research and Evaluation (DARE) Centre, University of Melbourne, Melbourne, VIC, Australia.Department of Critical Care, The University of Melbourne, Melbourne, VIC, Australia.Australian and , and Daryl Jones.
• Austin Health, Melbourne, Australia.
• Crit Care Resusc. 2023 Jun 1; 25 (2): 848984-89.

PurposeSince the introduction of National Emergency Access Targets (NEATs) in 2012 there has been little research examining patients admitted to the intensive care unit (ICU).We assessed differences in baseline characteristics and outcomes of patients admitted from the Emergency Department (ED) to the ICU within 4 hours compared with patients who were not.MethodsThis retrospective observational study included all adults (≥18 years old) admitted to the ICU from the ED of Austin Hospital, Melbourne, Australia, between 1 January 2017 and 31st December 2019 inclusive.Results1544 patients were admitted from the ED to the ICU and 65% had an ED length of stay (EDLOS) > 4 hour. Such patients were more likely to be older, female, with less urgent triage category scores and lower illness severity. Sepsis and respiratory admission diagnoses, and winter presentations were significantly more prevalent in this group.After adjustment for confounders, patients with an EDLOS > 4 hours had lower hospital mortality; 8% v 21% (p = 0.029; OR, 1.62), shorter ICU length of stay 2.2 v 2.4 days (p = 0.043), but a longer hospital length of stay 6.2 v 6.8 days (p = < 0.001).ConclusionAlmost two thirds of patients breached the NEAT of 4 hours. These patients were more likely to be older, female, admitted in winter with sepsis and respiratory diagnoses, and have lower illness severity and less urgent triage categories. NEAT breach was associated with reduced hospital mortality but an increased hospital length of stay.© 2023 The Author(s).

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