30-Day Acute Myocardial Infarction Readmission
Identifying Attributes
Care Settings
Country
Publishing Organisation
Type of Quality Indicator
IOM Quality Dimension
Domain
Defining Attributes
Definition
This indicator provides the risk-adjusted rate of urgent readmission following discharge for acute myocardial infarction (AMI).
Numerator
Cases within the denominator with a readmission for any reason within 30 days of discharge after the index episode of care.
Denominator
Number of AMI episodes of care discharged between April 1 and March 1 of the fiscal year.
Exclusions
• Records with an invalid health card number • Records with admission category of cadaveric donor or stillbirth (Admission Category Code = R or S) • Records with an invalid code for province issuing health card number • Records with an invalid admission date or time • Records with an invalid discharge date or time • Episodes with discharge as death • Episodes with length of stay less than 24 hours • AMI episodes that are within 30 days of a previous AMI episode
Use of Risk Adjustment
Risk Adjustments
See detailed specifications for risk adjustment: www.cihi.ca/sites/default/files/document/model-specifications.pdf
Stratifications
By reporting level: National, Province/Territory, Region, Neighbourhood Income Quintile.
Data Attributes
Type of Data Collection
Data Collection Methods
Discharge Abstract Database (DAD), Human Metabolome Database (HMBD), National Ambulatory Care Reporting System (NACRS)
Frequency of Data Collection
Frequency of Data Collection in Days
Reporting Methods
Available online at: www.cihi.ca/en/health-indicators-e-publication