GEMINI data are extracted and standardized from various sources:

Administrative data are obtained from CIHI DAD and NACRS and include demographics, co-mordibities, diagnoses, disposition, procedures, and cost.

Admission Discharge Transfer system includes physician information, patient location, transfers, and length of stay.

Laboratory data encompass microbiology, biochemistry, hematology, and transfusion medicine.

Radiology and cardiology data include the dates and times of investigations as well as reports of investigations.

Pharmacy data include medications, doses, the duration, and the routes.

Computerized Physician Order Entry and Clinical EMR systems provide physician orders, vital signs, and clinical documentation.