Supplementary Digital Content Table 1. Description of administrative databases used in the study.
Database Description
CIHI Discharge Abstract Database (CIHI-DAD)
Demographic, administrative, and clinical data on acute care hospital separations in Ontario.
National Ambulatory Care Reporting System (NACRS)
Captures administrative, demographic, and clinical data for emergency department and ambulatory care visits in Ontario.
Ontario Health Insurance Plan (OHIP)
Information on physician services (diagnostic codes, procedures, billings, physician specialty) provided to patients enrolled in Ontario’s universal health insurance program.
Ontario Mental Health Reporting System (OMHRS)
Contains administrative, clinical (diagnoses and procedures), demographic, and
administrative information for all admissions to adult designated inpatient mental health beds.
Ontario Trauma Registry (OTR) Contains detailed injury information, diagnostic test results, procedures, and outcomes for patients admitted to trauma centers in Ontario.
Registered Persons Database (RPDB)
Contains basic demographic information and on vital status for all Ontario residents enrolled in OHIP.
