30-Day Readmission Rate After Leaving Hospital For Selected Conditions

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 un-planned hospital readmissions within 30 days of discharge after hospitalisation for any of the following conditions: pneumonia, diabetes, stroke, gastrointestinal disease, congestive heart failure, chronic obstructive pulmonary disease, heart attack and other cardiac conditions. Alternate Name: Hospital Readmission Rate Within 30 Days Of Leaving Hospital For Selected Conditions.

Numerator

Number of subsequent non-elective (all-cause) readmissions to an acute care hospital within 30 days of discharge after hospitalisation for any of the following conditions: pneumonia, diabetes, stroke, gastrointestinal disease, congestive heart failure, chronic obstructive pulmonary disease, heart attack and other cardiac conditions.

Denominator

Total number of hospital discharges after hospitalisation for any of the following conditions: pneumonia, diabetes, stroke, gastrointestinal disease, congestive heart failure, chronic obstructive pulmonary disease, heart attack and other cardiac conditions.

Exclusions

Readmissions coded as an acute transfer by the receiving hospital (unless the readmission was coded as a transfer from the same hospital) or there is missing or invalid data for discharge date, admission date, Ontario health card number, age or gender.

Use of Risk Adjustment
Yes
Risk Adjustments

Health Based Allocation Model Inpatient Grouper (HIG) conditions, age, gender, prior hospitalisations (within 1, 2 and 3 months), quarterly seasonality (calendar year) and the Charlson co-morbidity adjustment index score.

Stratifications

Data Attributes

Type of Data Collection
Administrative data
Data Collection Methods

Discharge Abstract Database (DAD) Data provided to HQO by Ministry of Health and Long-Term Care (MOHLTC). Discharge Abstract Database (DAD) captures administrative, clinical and demographic information on hospital discharges (including deaths, sign-outs and transfers). Data is received directly from acute care facilities or from their respective health/regional authority or ministry/department of health.

Frequency of Data Collection
Quarterly submission targets of 60 days after the end of each quarter
Frequency of Data Collection in Days
91
Reporting Methods

Reported on CIHI website.

Reporting Frequency
Annually
Reporting Frequency in Days
365
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
12 March 2025