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Factors associated with COVID-19 viral and antibody test positivity and assessment of test concordance: a retrospective cohort study using electronic health records from the USA

OBJECTIVES: To identify factors associated with COVID-19 test positivity and assess viral and antibody test concordance. DESIGN: Observational retrospective cohort study. SETTING: Optum de-identified electronic health records including over 700 hospitals and 7000 clinics in the USA. PARTICIPANTS: Th...

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Detalles Bibliográficos
Autores principales: Lindsay, Lisa, Secrest, Matthew H, Rizzo, Shemra, Keebler, Daniel S, Yang, Fei, Tsai, Larry
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8488284/
https://www.ncbi.nlm.nih.gov/pubmed/34598988
http://dx.doi.org/10.1136/bmjopen-2021-051707