Table 2 Chronic disease performance measures using health administrative data
Eligible patient population (Denominator) | Outcome (Numerator) | Data Source | |
|---|---|---|---|
Diabetes (DM) | Ontario Diabetes Database | ||
All prevalent DM patients over 30 years of age rostered to a study physician. | Eligible DM patients who had a claim for an eye examination over a two year period. | OHIP physician encounter claims data. | |
All incident DM patients rostered to a study physician over 65 years of age who started on a hypoglycemic agent. | Eligible DM patients whose first hypoglycemic agent was metformin. | ODB prescription claims data. | |
All prevalent DM patients over 65 years of age rostered to a study physician. | Eligible DM patients who over one year receive a prescription for: 1) an ACEI/ARB 2) an antihypertensive agent 3) a lipid lowering agent 4) all three. | ODB prescription claims data. | |
Heart Failure (HF) | ICES Heart failure algorithm | ||
Incident HF patients over 40 years of age rostered to a study physician. | Eligible HF patients who received an echocardiogram within one year of diagnosis. | OHIP investigation claims data. | |
Incident HF patients over 65 years of age rostered to a study physician. | Eligible HF patients who received a prescription for an ACEI or ARB. | ODB prescription claims data. | |
Asthma | Ontario Asthma Surveillance Information System | ||
All incident asthma patients from 20 to 40 years of age rostered to a study physician. | Eligible asthma patients who received simple spirometry or flow volume loop or bronchial provocation challenge within one of diagnosis. | OHIP investigation claims data. | |
All incident asthma patients from 20 to 40 years of age rostered to a study physician. | Eligible asthma patients with emergency room visits within one year of diagnosis. | NACRS/emergency room encounter data. |