Inpatient Average Length of Stay
Identifying Attributes
Care Settings
Hospital Care
Country
New Zealand
Publishing Organisation
Ministry of Health, New Zealand: Planning and Performance Data
Type of Quality Indicator
Outcome
IOM Quality Dimension
Efficiency
Domain
Service Delivery and Care Planning
Defining Attributes
Definition
Inpatient average length of hospital stay.
Numerator
Denominator
Exclusions
A stay is excluded: If the first event in the stay doesn't have a valid District of service If the first event in the stay is not Elective or Acute If every event in the stay is non-case mix If the last event in the stay ended in a transfer, i.e. the stay is ongoing If the first event in the stay does not have an accepted purchaser.
Use of Risk Adjustment
Yes
Risk Adjustments
Standardised using Diagnosis Related Group (DRG) cluster and Patient Clinical Complexity Level (PCCL) of highest cost-weighted event.
Stratifications
By district of service, ethnic group, deprivation.
Collection and Reporting Attributes
Type of Data Collection
Standardised clinical data
Data Collection Methods
National Minimum Dataset (NMDS)
Frequency of Data Collection
Quarterly
Frequency of Data Collection in Days
91
Reporting Methods
Reporting Frequency
Quarterly
Reporting Frequency in Days
91
Indicator Has Recommended Targets
No
Source and Reference Attributes
Technical Specifications
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
02 December 2025
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Date Modified 02 December 2025