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Discharge Abstract Database (DAD) Metadata

Overview

Originally developed in 1963, the Discharge Abstract Database (DAD) captures administrative, clinical and demographic information on hospital discharges (including deaths, sign-outs and transfers). Some provinces and territories also use the DAD to capture day surgery.

Data extracted from the DAD is used to populate other CIHI databases, including

Find out more about acute inpatient care, including reports and analyses based on DAD data.

Data is received directly from acute care facilities or from their respective health/regional authority or ministry/department of health. Facilities in all provinces and territories except Quebec are required to report.

Data from Quebec is submitted to CIHI directly by the ministère de la Santé et des Services sociaux du Québec. This data is appended to the DAD to create the Hospital Morbidity Database (HMDB).