Length of Hospital Stay
Identifying Attributes
Care Settings
Hospital Care
Country
Organisation for Economic Co-operation and Development
Publishing Organisation
Organisation for Economic Co-operation and Development (OECD): OECD Indicators
Type of Quality Indicator
Outcome
IOM Quality Dimension
Efficiency
Domain
Service Delivery and Care Planning
Defining Attributes
Definition
The ALOS refers to the average number of days that patients spend in hospital.
Numerator
The total number of days stayed by all inpatients during a year.
Denominator
Total number of admissions or discharges.
Exclusions
Day cases are excluded.
Use of Risk Adjustment
No
Risk Adjustments
Stratifications
By country.
Collection and Reporting Attributes
Type of Data Collection
Administrative data
Data Collection Methods
Data requested from OECD countries
Frequency of Data Collection
Biennial
Frequency of Data Collection in Days
730
Reporting Methods
OECD website and annual Health at a Glance reports
Reporting Frequency
Biennial
Reporting Frequency in Days
730
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