Sidebar
GEMINI Data Dictionary - Revised March 01 2024 - Version 3.0.2
****
ALL GEMINI DATA MUST REMAIN ON DESIGNATED SERVER ENVIRONMENTS UNDER THE GOVERNANCE OF UNITY HEALTH TORONTO
DO NOT MOVE OR COPY GEMINI DATA TO PERSONAL OR EXTERNAL COMPUTERS
About The Data
About GEMINI Data
GEMINI holds granular hospitalization-level data on 31 hospitals from 20 healthcare organizations across Ontario. GEMINI data include all patients admitted to the department of medicine or intensive care unit and capture >60% of all adult medical and intensive care unit beds in Ontario. GEMINI data are comprised of administrative data (CIHI DAD, NACRS) linked to clinical data extracted from hospital electronic health records. Clinical data include but are not limited to laboratory measurements, radiology, vital signs, blood transfusions, clinical notes, echocardiagram measurements, and medications.
About the GEMINI Data Dictionary
The GEMINI Data Dictionary is an essential resource for anyone doing research at GEMINI. The information in this Data Dictionary is almost entirely based on the metadata belonging to the datasets described. For any questions or comments, please contact GEMINI.data@unityhealth.to.
Row
Data Tables Available For Research
The following data tables are available at GEMINI for approved research projects. Datacuts of GEMINI data are provided on a project-specific basis. Please refer to Data Availability for hospital or table specific data availability.
Hospitals Included
The following hospitals are included within the GEMINI network. Please refer to Data Availability for hospital and table specific data availability.
Source and Reference Legend
The following sources and references can be used as an additional resource for GEMINI data.
Variable Definitions
The following table contains variable definitions for all GEMINI data. For more information please contact gemini.data@unityhealth.to
Row
Data Availability
Row
Data Availability by Hospital
The following plot describes the time period available at each hospital. Click on the hospital of interest for a break down of which data tables are available at that hospital.
Data Availability by Data Table
The following plot describes the time period available for each data table. Click on the data table of interest for a break down of availability across different hospitals.
Cohort Plot
The following plot describes which cohort of medicine (and/or ICU) patients are included in GEMINI data.
- GIM: Admitted to General Internal Medicine Service only as defined by site
- All MED Only: Admitted to any medical service as defined by site
- All Med + ICU: Admitted to any medical service or admitted to the ICU during inpatient stay as defined by site
Database Version History
- Please consult with an analyst or email gemini.data@unityhealth.to for additional information
- Please see data availability plots for site-specific data availability
Entity Relationship Diagram
Row
Entity Relationship Diagram describes the relationship across all variables within the GEMINI database
