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Background <p>Long COVID affects a substantial proportion of the over 778 million individuals infected with SARS-CoV-2, yet predictive models remain limited in scope. While existing efforts, such as the National COVID Cohort Collaborative (N3C), have leveraged electronic health record (EHR) data for risk prediction and identification, accumulating evidence points to additional contributions from social, behavioral, and genetic factors.</p> Methods <p>Using a diverse cohort of SARS-CoV-2-infected individuals (n &gt; 17,200) from the NIH All of Us Research Program, we investigated whether integrating EHR data with survey-based and genomic information improves model performance.</p> Results <p>Our multi-scale approach outperforms EHR-only model’s area under the receiver operating curve 0.736 (95% CI: 0.730, 0.741), achieving an area of 0.748 (0.741,0.755). Among the top predictors, active-duty service status, and self-reported fatigue are the most informative survey features.</p> Conclusions <p>These findings highlight the importance of incorporating multi-scale data to improve risk stratification and inform personalized interventions for long COVID. However the relative increase in accuracy is modest, and the cost of collecting genetic and survey data should be considered before implementation.</p>

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Multi-scale data improves performance of machine learning model for long COVID identification

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年5月5日

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  • Christopher Guardo,
  • Xinmeng Zhang,
  • Srushti Gangireddy,
  • Chao Yan,
  • V. Eric Kerchberger,
  • Alyson L. Dickson,
  • Emily R. Pfaff,
  • Hiral Master,
  • Yi Xin,
  • Melissa Basford,
  • Christopher G. Chute,
  • Nguyen K. Tran,
  • Salvatore Mancuso,
  • Toufeeq Ahmed Syed,
  • Zhongming Zhao,
  • QiPing Feng,
  • Melissa Haendel,
  • Christopher Lunt,
  • Paul A. Harris,
  • Lang Li,
  • Geoffrey S. Ginsburg,
  • Joshua C. Denny,
  • Dan M. Roden,
  • Wei-Qi Wei

摘要

Background

Long COVID affects a substantial proportion of the over 778 million individuals infected with SARS-CoV-2, yet predictive models remain limited in scope. While existing efforts, such as the National COVID Cohort Collaborative (N3C), have leveraged electronic health record (EHR) data for risk prediction and identification, accumulating evidence points to additional contributions from social, behavioral, and genetic factors.

Methods

Using a diverse cohort of SARS-CoV-2-infected individuals (n > 17,200) from the NIH All of Us Research Program, we investigated whether integrating EHR data with survey-based and genomic information improves model performance.

Results

Our multi-scale approach outperforms EHR-only model’s area under the receiver operating curve 0.736 (95% CI: 0.730, 0.741), achieving an area of 0.748 (0.741,0.755). Among the top predictors, active-duty service status, and self-reported fatigue are the most informative survey features.

Conclusions

These findings highlight the importance of incorporating multi-scale data to improve risk stratification and inform personalized interventions for long COVID. However the relative increase in accuracy is modest, and the cost of collecting genetic and survey data should be considered before implementation.