5 Questions
What was included in the COVID-19 'associated' cohort?
Patients with a diagnosis code of possible exposure or infection of COVID-19
What was used to identify and remove duplicate records from the data?
A multipoint-match algorithm
What time period was considered for including medical information of patients?
Since January 1, 2015
What is the name given to the more specific subcohort which includes patients with a recent positive lab result for COVID-19 infection?
COVID-19 'positive' cohort
What was used to standardize records across disparate EHR coding systems?
Rigorous cleaning and standardization process
Test your knowledge on the cleaning and standardization process of COVID-19 de-identified data cohorts from US hospitals. Learn about the rigorous cleaning, standardization, and de-identification techniques used on the electronic health records (EHRs) of 62 health systems.
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