Cited by 179Ethics and Social Impacts of AIArtificial Intelligence in Healthcare and EducationMachine Learning in Healthcare

The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.

Unmasking bias in artificial intelligence: a systematic review of bias detection and mitigation strategies in electronic health record-based models

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Chen, Feng, Wang, Liqin, Hong, Julie, Jiang, Jiaqi, Zhou, Li·2024·Journal of the American Medical Informatics Association

Abstract

Objectives: Leveraging artificial intelligence (AI) in conjunction with electronic health records (EHRs) holds transformative potential to improve healthcare. However, addressing bias in AI, which risks worsening healthcare disparities, cannot be overlooked. This study reviews methods to handle various biases in AI models developed using EHR data. Materials and Methods: We conducted a systematic review following the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines, analyzing articles from PubMed, Web of Science, and IEEE published between January 01, 2010 and December 17, 2023. The review identified key biases, outlined strategies for detecting and mitigating bias throughout the AI model development, and analyzed metrics for bias assessment. Results: Of the 450 articles retrieved, 20 met our criteria, revealing 6 major bias types: algorithmic, confounding, implicit, measurement, selection, and temporal. The AI models were primarily developed for predictive tasks, yet none have been deployed in real-world healthcare settings. Five studies concentrated on the detection of implicit and algorithmic biases employing fairness metrics like statistical parity, equal opportunity, and predictive equity. Fifteen studies proposed strategies for mitigating biases, especially targeting implicit and selection biases. These strategies, evaluated through both performance and fairness metrics, predominantly involved data collection and preprocessing techniques like resampling and reweighting. Discussion: This review highlights evolving strategies to mitigate bias in EHR-based AI models, emphasizing the urgent need for both standardized and detailed reporting of the methodologies and systematic real-world testing and evaluation. Such measures are essential for gauging models’ practical impact and fostering ethical AI that ensures fairness and equity in healthcare.

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  1. Johnson, 2000, Sampling bias and other methodological threats to the validity of health survey research, Int J Stress Manag, 7, 247, 10.1023/A:1009589812697 · DOI

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Metadata

Authors
Chen, F., Wang, L., Hong, J., Jiang, J., & Zhou, L.
Affiliations
  • Harvard University (US)
  • Brigham and Women's Hospital (US)
  • Wellesley High School , Wellesley, MA 02481, United States
Corresponding author
Chen, Feng
Venue
Journal of the American Medical Informatics Association
Published
2024-03-23
Volume
31
Issue
5
Pages
1172-1183
ISSN
  • 1067-5027 (ISSN-L)
  • 1527-974X
OpenAlex
W4393119757
Cited by
178
References
48
Citations by year
2026: 72 · 2025: 91 · 2024: 15
FWCI
13.55
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Medical Informatics Association (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion, cc-by)
  • arXiv (Cornell University) (cc-by)
Funders
National Library of Medicine (1R01LM014239)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Ethics and Social Impacts of AI
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
  • Physical Sciences › Computer Science › Artificial Intelligence › Machine Learning in Healthcare
Keywords
algorithmic bias, bias detection, bias mitigation, electronic health records, artificial intelligence in healthcare, health care disparities, fairness metrics, implicit bias, selection bias, confounding, measurement bias, temporal bias, resampling, reweighting, ethical AI
MeSH terms
Algorithms, Artificial Intelligence, Female, Humans, Models, Theoretical, Pregnancy, Bias, Selection Bias, Benchmarking, Electronic Health Records

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