Service Agreement - Department of Health Tasmania: 2018, Emergency Department - Percentage of emergency department did not wait presentations, 2018

Identifying and definitional attributes
Metadata item type:	Indicator
Indicator type:	Indicator
Short name:	Emergency department did not wait (percentage)
METEOR identifier:	698668
Registration status:	Tasmanian Health, Superseded 24/07/2019
Description:	This indicator measures the percentage of emergency department presentations that concluded with the patient leaving the emergency department before being attended by a health care professional.
Indicator set:	Service Plan - Department of Health Tasmania: 2018 Tasmanian Health, Superseded 24/07/2019
Outcome area:	Emergency Department access Tasmanian Health, Standard 07/12/2016

Collection and usage attributes
Computation description:	The definitions applied were set by the Emergency Care Network Steering Committee. The definitions include presentations that have been assigned a triage category between 1 and 5. Presentations that are 'dead on arrival' or the waiting time to service delivery is invalid are excluded for the purpose of calculating this indicator. See Australasian Triage Scale from the Australasian College for Emergency Medicine for a description of each triage category, including indicative clinical descriptors. The indicator is presented as a percentage.
Computation:	100 x (Numerator ÷ Denominator)
Numerator:	Total number of presentations who have been identified as 'did not wait'
Numerator data elements:	Data Element / Data Set Establishment—organisation identifier, (Tasmanian) identifier NNNN Data Element / Data Set Non-admitted patient emergency department service episode—triage category, (Tasmanian) code N Guide for use Data is obtained from the [TriageCategoryRefId] field in Health Central and includes records with the triage categories from 1 to 5. Data Element / Data Set Non-admitted patient emergency department service episode—episode end status, (Tasmanian) code N[NN] Guide for use Data is obtained from the [DepartureMethodRefId] field in Health Central and patients whose Episode end status recorded as Did not wait to be seen by a medical officer. Data Element / Data Set Episode of care—episode identifier, N[NNNNNN] Guide for use Data is obtained from the [EmergencyIdentifier] field in Health Central. Data Element / Data Set Emergency department stay—physical departure date, DDMMYYYY Guide for use Data is obtained from the [DepartureDateTime] field in Health Central. Data Element / Data Set Emergency department stay—physical departure time, hhmm Guide for use Data is obtained from the [DepartureDateTime] field in Health Central.
Denominator:	Total number of presentations to emergency departments
Denominator data elements:	Data Element / Data Set Establishment—organisation identifier, (Tasmanian) identifier NNNN Data Element / Data Set Non-admitted patient emergency department service episode—triage category, (Tasmanian) code N Guide for use Data is obtained from the [TriageCategoryRefId] field in Health Central and includes records with the triage categories from 1 to 5. Data Element / Data Set Episode of care—episode identifier, N[NNNNNN] Guide for use Data is obtained from the [EmergencyIdentifier] field in Health Central. Data Element / Data Set Emergency department stay—physical departure date, DDMMYYYY Guide for use Data is obtained from the [DepartureDateTime] field in Health Central. Data Element / Data Set Emergency department stay—physical departure time, hhmm Guide for use Data is obtained from the [DepartureDateTime] field in Health Central.
Disaggregation:	Specified disaggregation: Hospital, triage category and reporting month based on the date of the end of the emergency department stay
Disaggregation data elements:	Data Element / Data Set Establishment—organisation identifier, (Tasmanian) identifier NNNN Data Element / Data Set Non-admitted patient emergency department service episode—triage category, (Tasmanian) code N Data Element / Data Set Emergency department stay—physical departure date, DDMMYYYY Guide for use Data is obtained from the [DepartureDateTime] field in Health Central. Data Element / Data Set Emergency department stay—physical departure time, hhmm Guide for use Data is obtained from the [DepartureDateTime] field in Health Central.
Representational attributes
Representation class:	Percentage
Data type:	Real
Unit of measure:	Person
Format:	NN[N]
Accountability attributes
Reporting requirements:	2018-19 Service Agreement
Source and reference attributes
Relational attributes
Related metadata references:	Supersedes Service Agreement - Department of Health and Human Services Tasmania: 2017, ACC3 - Emergency Department - Percentage of emergency department did not wait presentations, 2017 Tasmanian Health, Superseded 28/03/2019 Has been superseded by Service Plan- Department of Health Tasmania: 2019, Emergency department presentations who do not wait to be seen, 2019 Tasmanian Health, Standard 24/07/2019