Technical notes

This technical notes document outlines the specifications used to analyse the Use of emergency departments for lower urgency care 2017–18 to 2023–24 web report.

This iteration includes data for the periods 2017–18 through to 2023–24, and key information on this update is highlighted in the table below. 

Hospital data and populations were accurate as at 25 July 2025.

Table T1: Key information for this release – Use of emergency departments for lower urgency care 2017–18 to 2023–24

Definition

Data for this measure are defined in accordance with the National Healthcare Agreement (NHA) Performance Indicator (PI) 19–Selected potentially avoidable GP-type presentations to emergency departments, 2022

Numerator source

Data were sourced from the National Non-admitted Patient Emergency Department Care Database (NNAPEDCD)

Denominator source

Population counts are as of 30 June at the start of the reference period (that is, for the reporting period 2023–24, the estimated resident population as of 30 June 2023 was used) and are derived from the Australian Bureau of Statistics (ABS) Regional population by age and sex, 2023.

Age standardised rates were standardised to the Australian standard population as of 30 June 2001.

Reporting years

2017–18 to 2023–24

Scope of data

See Specifications section.

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