Hospital Readmission Rates for a Mental Illness or an Addiction

Identifying Attributes

Care Settings
Care Transitions
Country
Canada
Publishing Organisation
Health Quality Ontario
Type of Quality Indicator
Outcome
IOM Quality Dimension
Effectiveness
Domain
Hospitalisation

Defining Attributes

Definition

Rate of psychiatric (mental health and addiction) discharges that are followed within 30 days by another mental health and addiction admission

Numerator

Number of individuals with any MH&A hospital readmissions within (≤) 30 days following the incident hospital discharge in the reporting period

Denominator

Total number of incident MH&A hospital discharges in the reporting period

Exclusions

Patients without a valid health insurance number; Patients without an Ontario residence; Gender not recorded as male or female; Age < 16 or Age > 105; Invalid date of birth, admission date/time, discharge date/time ; Individuals who die within 30 days of discharge before a follow-up or outcome occurs (i.e. a person dies before they have been readmitted or is readmitted but dies before they are discharged); Any non-MH&A hospital readmissions

Use of Risk Adjustment
No
Risk Adjustments
Stratifications

Collection and Reporting Attributes

Type of Data Collection
Administrative data
Data Collection Methods

Discharge Abstract Database (DAD), Ontario Mental Health Reporting System (OMHRS), Registered Persons Database (RPDB)

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

Quality Improvement Plan (hospital)

Reporting Frequency
Reporting Frequency in Days
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
No
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
Can the Quality Indicator be Readily Implemented at a Population Level in Australia Given its Current Data Landscape?
Implementation of this quality indicator was not assessed.
Identified by PHARMA-Care Project
No
Upload Date
31 March 2026