• James L Mallows.
• Emergency Department, Nepean Hospital, Sydney, New South Wales, Australia.
• Emerg Med Australas. 2022 Jun 1; 34 (3): 341-346.

ObjectiveTo examine the effect of staffing levels by experience of medical officers and overcrowding on ED key performance indicators (KPIs).MethodsPresentations to Nepean ED from 6 May to 3 November 2019 were examined. Staff were designated either Fellows of the Australasian College for Emergency Medicine (FACEMs), non-FACEM senior decision-makers (SDMs), non-senior decision-makers greater than 2 years postgraduate (non-SDMs) and junior medical officers up to 2 years postgraduate (JMOs). The number of admitted patients boarded in the ED waiting for a ward bed at 8 am was used as a marker for overcrowding. Multivariable regression analysis was performed using staffing levels, number of admissions at 8 am and total presentations as the independent variables and various ED KPIs as the dependent variables.ResultsFACEM and SDM had a significant effect on most ED KPIs, with the effect of FACEM consistently larger than the effect of SDM. There was minimal effect on performance by non-SDM and JMO staffing. There was significant effect of overcrowding as measured by the number of admitted patients in ED at 8 am on most ED KPIs. Almost no variables had an effect on Emergency Treatment Performance (4-h target) for admitted patients, suggesting poor performance was caused by factors outside of the ED.ConclusionIncreasing numbers of FACEM and non-FACEM SDM, but not junior staff, and a reduction in overcrowding as measured by the number of admitted patients boarded in the ED at 8 am, were associated with improvements in the ED performance.© 2021 Australasian College for Emergency Medicine.

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