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Article

Multimorbidity patterns and phenotype transitions in patients with clinician-coded long COVID: a multicenter US electronic health record cohort study.

BMC infectious diseases - 1 Jul 2026

Wang Xiaofeng F, Huang Shuaiqi, Xu Yaomin, Zou Yan, Zhang Peng, Xie Yang, Tsuang Wayne M

Abstract excerpt

BACKGROUND: Long COVID is clinically heterogeneous, but longitudinal changes in documented chronic disease burden and transitions in multimorbidity phenotypes after infection are not well characterized in routine care. METHODS: We considered 425,614 patients with clinician-coded long COVID (ICD-10-CM U09.9) and a definable COVID-19 index date between October 1, 2021 and September 16, 2024 using deidentified...

Read the complete abstract on PubMed

Topics

Humans
Female
COVID-19
Electronic Health Records
Phenotype
Multimorbidity

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Male

Middle Aged

United States

Post-Acute COVID-19 Syndrome

Aged

Adult

SARS-CoV-2

Cohort Studies

Chronic Disease

Adolescent

Source

Open in PubMed Open full text

Identifiers

PMID: 42380873
DOI: 10.1186/s12879-026-13897-0
PMCID: PMC13591880

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 23 Oct 2026.

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