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Finding Long-COVID: Temporal topic modeling of electronic health records from the N3C and RECOVER programs

O'Neil, ST; Madlock-Brown, C; Wilkins, KJ; et al., medRxiv

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Caution: Preprints are preliminary reports of work that have not been certified by peer review. They should not be relied on to guide clinical practice or health-related behavior and should not be reported in news media as established information.
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Published

June 2024

Journal

medRxiv

Abstract

Post-Acute Sequelae of SARS-CoV-2 infection (PASC), also known as Long-COVID, encompasses a variety of complex and varied outcomes following COVID-19 infection that are still poorly understood. We clustered over 600 million condition diagnoses from 14 million patients available through the National COVID Cohort Collaborative (N3C), generating hundreds of highly detailed clinical phenotypes. Assessing patient clinical trajectories using these clusters allowed us to identify individual conditions and phenotypes strongly increased after acute infection. We found many conditions increased in COVID-19 patients compared to controls, and using a novel method to associate patients with clusters over time, we additionally found phenotypes specific to patient sex, age, wave of infection, and PASC diagnosis status. While many of these results reflect known PASC symptoms, the resolution provided by this unprecedented data scale suggests avenues for improved diagnostics and mechanistic understanding of this multifaceted disease.

Authors

Shawn T O'Neil, Charisse Madlock-Brown, Kenneth J Wilkins, Brenda M McGrath, Hannah E Davis, Gina S Assaf, Hannah Wei, Parya Zareie, Evan T French, Johanna Loomba, Julie A McMurry, Andrea Zhou, Christopher G Chute, Richard A Moffitt, Emily R Pfaff, Yun Jae Yoo, Peter Leese, Robert F Chew, Michael Lieberman, Melissa A Haendel

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