Percentage-diabetes-glycated-hemoglobin-HbA1C-tests

INDICATOR NAME

Name

Percentage of patients with diabetes up-to-date with glycated hemoglobin (HbA1C) tests

Alternate Name

Percentage of patients with diabetes up-to-date with glycated hemoglobin (HbA1C) tests

INDICATOR DESCRIPTION

Description

Percentage of diabetic patients aged 40 years and older who have had two or more glycated hemoglobin (HbA1C) tests within the past 12 months

HQO Reporting tool/product

Personalized/Custom Reports (includes Practice Reports)

Dimension

Effective

Type

Process

DEFINITION AND SOURCE INFORMATION

Unit of Measurement

Percentage

Calculation Methods

Numerator/ Denominator * 100

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

Number of diabetic patients aged 40 years and older who have had two or more glycated hemoglobin (HbA1C) tests within the past 12 months

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

Total number of diabetes patients aged 40 years or over

Data Source

Discharge Abstract Database (DAD), Ontario Diabetes Database (ODD), Ontario Drug Benefit (ODB), Ontario Health Insurance Plan (OHIP) Claims History Database, Registered Persons Database (RPDB)

Data provided to HQO by

Institute for Clinical Evaluative Sciences (ICES)

OTHER RELEVANT INFORMATION

Caveats and Limitations

The ODD does not differentiate between type I and type II diabetes mellitus. HbA1c measure only includes OHIP fee for service hemoglobin A1c tests conducted in community labs. Lab tests for A1c conducted in hospitals are not individually submitted and therefore not available.