Database	Details
Registered Persons Database of Ontario	Contains vital statistics for all residents who have been issued an Ontario health card.
Yearly Ontario Intercensal and Postcensal Population Estimates and Projection Database	Contains Ontario population estimates by sex, age and geographic areas.
Ontario Drug Benefits Database	Contains prescription medication for adults ≥65 years and those using social assistance.
Drug Identification Number Database	Contains Drug Identification Numbers used in Canada from 1990.
Ontario Diabetes Database	Contains all patients with diabetes identified since 1991 (based upon hospitalization codes and physician diagnoses).
Ontario Chronic Obstructive Pulmonary Disease Database	Contains all patients with COPD identified since 1991 (based upon hospitalization codes, physician services claims).
Ontario Rheumatoid Arthritis Database	Contains all patients with rheumatoid arthritis identified since 1991 (based upon hospitalization codes, physician services claims).
Ontario Crohn’s and Colitis Cohort Database	Includes all Ontarians with Crohn’s or colitis identified since 1991 (defined by hospitalization codes, prescription medications, and physicians’ services claims).
Home Care Database	Contains information about home care services acquired from the Ontario Association of Community Care Access Centres.
ICES Physicians Database	Contains information about all physicians in Ontario (ascertained from the Ontario Health Insurance Plan and the Ontario Physician Human Resource Data Centre).
Canadian Institute for Health Information’s Discharge Abstract Database	Contains diagnostic and procedural information coded during inpatient hospitalizations.
National Ambulatory Care Reporting System Database	Contains diagnostic and procedural information coded during emergency room encounters.
Ontario Health Insurance Plan Database	Contains physician diagnostic and billing codes.