Acute Readmissions
Identifying Attributes
Care Settings
Country
Publishing Organisation
Type of Quality Indicator
IOM Quality Dimension
Domain
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
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
Data Collection Methods
National Minimum Dataset (NMDS). DHBs provide quarterly reports to the Ministry via a web based reporting tool.
Frequency of Data Collection
Frequency of Data Collection in Days
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
Reporting Frequency in Days
Indicator Has Recommended Targets
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