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National Health Performance Authority, Hospital Performance: Median waiting time for elective surgery 2011-12

Identifying and definitional attributes

Metadata item type:Help on this termIndicator
Indicator type:Help on this termProgress measure
Short name:Help on this termMedian waiting time for elective surgery 2011-12
METEOR identifier:Help on this term527347
Registration status:Help on this term
  • National Health Performance Authority (retired), Superseded 28/05/2014
Description:Help on this termMedian waiting time for elective surgery in public hospitals.
Indicator set:Help on this termNational Health Performance Authority: Hospital performance: 2011-16
National Health Performance Authority (retired), Retired 01/07/2016

Collection and usage attributes

Computation description:Help on this termMedian waiting time for elective surgery in public hospitals.
Computation:Help on this term

n (number of observations) x p (percentile value divided by 100) = i (integer) + f (fractional part of n x p)

  • If n x p is an integer, then the percentile value will correspond to the average of the values for the ith and (i+1)th observations.
  • If n x p is not an integer, then the percentile value will correspond to the value for the (i+1)th observation.
  • For example, if there were 100 hospital separations, the median will correspond to the average time for the 50th and 51st observations. If there were 101 observations, the median will correspond to the time for the 51st observation.

Median waiting times are rounded to the nearest 0.5 whole number of days.

Waiting times are calculated for patients whose reason for removal was:

  • For surgical specialty and indicator procedures:

1. Admitted as an elective patient for awaited procedure by or on behalf of this hospital or the state/territory.

  • For clinical urgency categories:

1. Admitted as an elective patient for awaited procedure by or on behalf of this hospital or the state/territory or

2. Admitted as emergency patient for awaited procedure by or on behalf of this hospital or the state/territory.

The calculation of waiting time excludes:

  • Any days the patient was waiting with a less urgent elective surgery urgency category than their urgency category at removal. When a patient's urgency category changes, existing NMDS business rules will apply.
  • People who were transferred to another hospital’s elective surgery waiting list, were treated elsewhere but not on behalf of the hospital, were not contactable, died prior to receiving their surgery or declined surgery.

For the purposes of reporting by urgency category, patients are reported as the final urgency category they were when treated.

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

Establishment—organisation identifier (Australian), NNX[X]NNNNN

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Data Element / Data Set

Elective surgery waiting list episode—reason for removal from a waiting list, code N

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Data Element / Data Set

Elective surgery waiting list episode—waiting time (at removal), total days N[NNN]

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Disaggregation:Help on this termHospital, elective surgery urgency category, selected surgical specialties and indicator procedures
Disaggregation data elements:Help on this term
Data Element / Data Set

Establishment—organisation identifier (Australian), NNX[X]NNNNN

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Data Element / Data Set

Elective surgery waiting list episode—clinical urgency, code N

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Data Element / Data Set

Elective surgery waiting list episode—surgical specialty (of scheduled doctor), code NN

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) DSS 1 January 2012-30 June 2012

Data Element / Data Set

Elective surgery waiting list episode—indicator procedure, code NN

Data Source

National Elective Surgery Waiting Times Data Collection

NMDS / DSS

Elective surgery waiting times (removals data) NMDS 2012-13

Comments:Help on this termCalculation of median waiting time: The median waiting time is calculated using an empirical distribution function with averaging in SAS@4. Using this method observations are sorted in ascending order.

Representational attributes

Representation class:Help on this termMedian
Data type:Help on this termReal
Unit of measure:Help on this termTime (e.g. days, hours)
Format:Help on this termN[NN]

Indicator conceptual framework

Framework and dimensions:Help on this termPAF-Equity of access

PAF-Effectiveness of access

Data source attributes

Data sources:Help on this term
Data Source

National Elective Surgery Waiting Times Data Collection

Frequency

Annual

Data custodian

Australian Institute of Health and Welfare

Accountability attributes

Other issues caveats:Help on this term

Waiting time is calculated by states and territories by subtracting the listing date for care from the removal date, minus any days the patient was not ready for care and/or waiting with a less urgent clinical urgency category than their clinical urgency category at removal.

There are inconsistencies in application of urgency categories between and within states and territories which impact on the comparability of results.

Source and reference attributes

Submitting organisation:Help on this termNHPA

Relational attributes

Related metadata references:Help on this term
See also National Health Performance Authority, Hospital Performance: Median waiting time for elective surgery 2012-13
  • National Health Performance Authority (retired), Retired 01/07/2016
Has been superseded by National Health Performance Authority, Hospital Performance: Median waiting time for elective surgery, 2014
  • National Health Performance Authority (retired), Retired 01/07/2016
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