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Questions and Answers
What was included in the COVID-19 'associated' cohort?
What was included in the COVID-19 'associated' cohort?
- Patients with a diagnosis code of possible exposure or infection of COVID-19 (correct)
- Patients with a history of influenza
- Patients with a history of common cold
- Patients with no recent medical history
What was used to identify and remove duplicate records from the data?
What was used to identify and remove duplicate records from the data?
- Random selection of records
- A multipoint-match algorithm (correct)
- Manual inspection of each record
- Sorting the records by date
What time period was considered for including medical information of patients?
What time period was considered for including medical information of patients?
- Since January 1, 2018
- Since January 1, 2010
- Since January 1, 2015 (correct)
- Since January 1, 2020
What is the name given to the more specific subcohort which includes patients with a recent positive lab result for COVID-19 infection?
What is the name given to the more specific subcohort which includes patients with a recent positive lab result for COVID-19 infection?
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What was used to standardize records across disparate EHR coding systems?
What was used to standardize records across disparate EHR coding systems?
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