Hospital-readmissions-for-MHA - Health Quality Ontario (HQO)

INDICATOR NAME

Name

Hospital readmissions for mental health or addiction

Alternate Name

Percentage of patients 16 and older hospitalized for a mental illness or addiction who were readmitted to hospital for a mental illness or addiction within 30 days of discharge

INDICATOR DESCRIPTION

Description

This indicator measures the percentage of psychiatric (mental health or addiction) discharges that are followed within 30 days by another mental health or addiction hospital admission.

HQO Reporting tool/product

Public reporting

Dimension

Effective

Type

Outcome

DEFINITION AND SOURCE INFORMATION

Unit of Measurement

Percentage

Calculation Methods

Numerator divided by the denominator times 100

Numerator (short description i.e. not inclusions/exclusions)

Number of individuals with any mental health or addictions hospital readmissions* within (≤) 30 days following the incident hospital discharge

Denominator (short description i.e. not inclusions/exclusions)

Total number of incident mental health or addictions hospital discharges between calendar years of interest

Adjustment (risk, age/sex standardization)- generalized

Age and sex standardized

Data Source

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

Data provided to HQO by

Institute for Clinical Evaluative Sciences (ICES)

Reported Levels of comparability /stratifications (defined)

Age, Income, Region, Rurality, Sex, Time

OTHER RELEVANT INFORMATION

Caveats and Limitations

Limitations include potential coding errors and a lack of clinical detail. Data did not capture non-physician mental health and addictions services that may have been provided in the period between hospital discharge and readmission.