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Service Agreement - Department of Health and Human Services Tasmania: 2017, ACC4 - Emergency Department - Percentage of all emergency department patients with an ED length of stay less than 4 hours, 2017

Indicator Attributes

Identifying and definitional attributes

Metadata item type:Help on this termIndicator
Indicator type:Help on this termIndicator
Short name:Help on this termEmergency department patients LOS <4 hours (percentage)
METEOR identifier:Help on this term675849
Registration status:Help on this term
  • Tasmanian Health, Superseded 28/03/2019
Description:Help on this term

This indicator measures the percentage of emergency department presentations, who either physically leave the emergency department for admission for hospital, are referred to another hospital for treatment, or are discharged, whose total time in the emergency department is less than four hours.

Indicator set:Help on this term

Service Agreement - Department of Health and Human Services Tasmania: 2017
Tasmanian Health, Superseded 28/03/2019

Outcome area:Help on this termEmergency Department access
Tasmanian Health, Standard 07/12/2016

Collection and usage attributes

Computation description:Help on this term

The definitions include presentations that have been assigned a triage category between 1 and 5.  All presentations are included in the calculation of this indicator including ‘did not wait’ and ‘dead on arrival’.  Excluded for the purpose of calculating this indicator are presentations that have an invalid waiting time to service delivery.  See Australasian Triage Scale from the Australasian College for Emergency Medicine for a description of each triage category, including indicative clinical descriptors.

Time to treatment is calculated by subtracting the date and time the patient presented to the emergency department from the date and time treatment commenced. The time to treatment is then compared to the recommended treatment time for the allocated initial triage category.

The indicator is calculated for all presentations as a whole and presented as a percentage.

Computation:Help on this term

100 x (Numerator ÷ Denominator)

Numerator:Help on this term

Total number of emergency department presentations whose length of stay is less than 4 hours

Numerator data elements:Help on this term
Data Element / Data Set

Data ElementHelp on this term

Establishment—organisation identifier, (Tasmanian) identifier NNNN

Data Element / Data Set

Data ElementHelp on this term

Non-admitted patient emergency department service episode—episode end status, (Tasmanian) code N[NN]

Guide for useHelp on this term

Data is obtained from the [DepartureMethodRefId] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Episode of care—episode identifier, N[NNNNNN]

Guide for useHelp on this term

Data is obtained from the [EmergencyIdentifier] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—presentation date, DDMMYYYY

Guide for useHelp on this term

Data is obtained from the [ArrivalDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—presentation time, hhmm

Guide for useHelp on this term

Data is obtained from the [ArrivalDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure date, DDMMYYYY

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure time, hhmm

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Denominator:Help on this term

Total presentations to emergency departments

Denominator data elements:Help on this term
Data Element / Data Set

Data ElementHelp on this term

Establishment—organisation identifier, (Tasmanian) identifier NNNN

Data Element / Data Set

Data ElementHelp on this term

Non-admitted patient emergency department service episode—episode end status, (Tasmanian) code N[NN]

Guide for useHelp on this term

Data is obtained from the [DepartureMethodRefId] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Episode of care—episode identifier, N[NNNNNN]

Guide for useHelp on this term

Data is obtained from the [EmergencyIdentifier] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—presentation date, DDMMYYYY

Guide for useHelp on this term

Data is obtained from the [ArrivalDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—presentation time, hhmm

Guide for useHelp on this term

Data is obtained from the [ArrivalDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure date, DDMMYYYY

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure time, hhmm

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Disaggregation:Help on this term
Specified disaggregation: Hospital, triage category and reporting month based on the date of the end of the emergency department stay
Disaggregation data elements:Help on this term
Data Element / Data Set

Data ElementHelp on this term

Establishment—organisation identifier, (Tasmanian) identifier NNNN

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure date, DDMMYYYY

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Data Element / Data Set

Data ElementHelp on this term

Emergency department stay—physical departure time, hhmm

Guide for useHelp on this term

Data is obtained from the [DepartureDateTime] field in Health Central.

Representational attributes

Representation class:Help on this termPercentage
Data type:Help on this termReal
Unit of measure:Help on this termPerson
Format:Help on this term

NN[N]

Accountability attributes

Reporting requirements:Help on this term
  • 2017-18 Service Agreement

Relational attributes

Related metadata references:Help on this term
Supersedes Service Agreement - Department of Health and Human Services Tasmania: 2016, ACC4 - Emergency Department - Percentage of all emergency department patients with an ED length of stay less than 4 hours, 2016
  • Tasmanian Health, Superseded 28/03/2019
Has been superseded by Service Agreement - Department of Health Tasmania: 2018, Emergency Department - Percentage of all emergency department patients with an ED length of stay less than 4 hours, 2018
  • Tasmanian Health, Superseded 24/07/2019
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