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COVID-19
COVID-19
Overview
The COVID-19-specific variables in i2b2 are based on an ontology developed by Visweswaran, Shyam et al1 in an effort to harmonize COVID-19 data in the electronic medical records across several institutions. There are 50,000+ concepts in this ontology that are available for researchers to query in i2b2. The ontology is publicly available at https://github.com/shyamvis/ACT-COVID-Ontology
1Visweswaran, Shyam et al. “Development of a Coronavirus Disease 2019 (COVID-19) Application Ontology for the Accrual to Clinical Trials (ACT) network.” JAMIA open vol. 4,2 ooab036. 19 Apr. 2021, doi:10.1093/jamiaopen/ooab036
Inclusion Criteria for COVID-19 Cohort
Patients are included in the COVID-19 dataset if they meet at least one criterion from any of the following categories:
Data Available
Click on each category below for more details on the data available
Course of Illness
Diagnosis Data
Diagnostic Lab Tests
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The National COVID Cohort Collaborative (N3C)
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Diagnosis Data (COVID-19)
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Diagnostic Lab Tests (COVID-19)
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Diagnoses
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Applying for N3C Data Access
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Type 3: Temporal Query: Defined Sequence of Events
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