Acute Readmissions

Identifying Attributes

Care Settings
Care Transitions
Country
New Zealand
Publishing Organisation
District Health Board Performance Measures
Type of Quality Indicator
Outcome
IOM Quality Dimension
Effectiveness
Domain
Hospitalisation

Defining Attributes

Definition

Standardised readmission ratio of the observed number of readmission stays to the predicted number of readmission stays of a District Health Board.

Numerator

Observed number of readmission stays.

Denominator

Predicted number of readmission stays. The numbers are derived based on the number of admissions and readmissions for patients presenting to New Zealand hospitals.

Exclusions

Admissions: non-casemix; for palliative care; DHB of service is unknown Readmissions: non-acute; more than 28 days from the previous admission; within 24 hours and has a transfer flag; planned readmissions; statistical readmission; any previous admission ended in the patient's death.

Use of Risk Adjustment
Yes
Risk Adjustments

Admission type, prior stays, primary diagnosis group, Patient Clinical Complexity Level, length of stay, age, prior morbidities, and current morbidities.

Stratifications

Data Attributes

Type of Data Collection
Administrative data
Data Collection Methods

National Minimum Dataset (NMDS). DHBs provide quarterly reports to the Ministry via a web based reporting tool.

Frequency of Data Collection
Quarterly
Frequency of Data Collection in Days
91
Reporting Methods

Publicly reported on Ministry of Health website. A summary report is produced each quarter based on the performance assessments undertaken by the Ministry measure owner/subject. These reports are summarised on a one-page heat map of each DHB's performance for the quarter and also contribute to the DHB balanced scorecard. Together the DHB heat map and score card form a key part of the regular DHB performance information provided to the Minister of Health.

Reporting Frequency
Quarterly
Reporting Frequency in Days
91
Indicator Has Recommended Targets
Yes

Source and Reference Attributes

Evidence Source

Jones P, Wells S, Harper A, Le Fevre J, Stewart J, Curtis E, Reid P, Ameratunga S. Impact of a national time target for ED length of stay on patient outcomes. N Z Med J. 2017 May 12;130(1455):15-34. PMID: 28494475. nsfl.health.govt.nz/system/files/documents/pages/dhbperfmeasures2122october_update.docx page 110 reports available on web.archive.org/web/20240307172325/https://www.health.govt.nz/new-zealand-health-system/accountability-and-funding/planning-and-performance-data/reducing-acute-readmissions-hospital

Link to Measurement Tools
Quality Indicator Confirmed to be Part of a Program Used to Monitor Quality and Safety of Care Among Older People at a Population-Level between 2012-2022
Yes
Assessed by the Australian Consortium for Aged Care Collaborators as Generally Containing Good Properties (Importance and Scientific Acceptability)
No
Australian Consortium for Aged Care Endorsed
No
Identified by PHARMA-Care Project
No
Upload Date
12 March 2025