mlsanityData to 14 Oct 2026

Federated and distributed learning applications for electronic health records and structured medical data: A scoping review

arXiv 2304.07310 ↗First posted 14 Apr 2023cs.LG cs.AIcited by 4

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Abstract (arXiv)

Federated learning (FL) has gained popularity in clinical research in recent years to facilitate privacy-preserving collaboration. Structured data, one of the most prevalent forms of clinical data, has experienced significant growth in volume concurrently, notably with the widespread adoption of electronic health records in clinical practice. This review examines FL applications on structured medical data, identifies contemporary limitations and discusses potential innovations. We searched five databases, SCOPUS, MEDLINE, Web of Science, Embase, and CINAHL, to identify articles that applied FL to structured medical data and reported results following the PRISMA guidelines. Each selected publication was evaluated from three primary perspectives, including data quality, modeling strategies, and FL frameworks. Out of the 1160 papers screened, 34 met the inclusion criteria, with each article consisting of one or more studies that used FL to handle structured clinical/medical data. Of these, 24 utilized data acquired from electronic health records, with clinical predictions and association studies being the most common clinical research tasks that FL was applied to. Only one article exclusively explored the vertical FL setting, while the remaining 33 explored the horizontal FL setting, with only 14 discussing comparisons between single-site (local) and FL (global) analysis. The existing FL applications on structured medical data lack sufficient evaluations of clinically meaningful benefits, particularly when compared to single-site analyses. Therefore, it is crucial for future FL applications to prioritize clinical motivations and develop designs and methodologies that can effectively support and aid clinical practice and research.

Key facts. Cited by 4 papers in the map (data through 14 Oct 2026). Builds on 18 of its 74 references that are in the map. First posted on arXiv 14 Apr 2023.

Builds on

18 of 74 references.

References · 18

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6 more
  1. 2021Heterogeneity for the Win: One-Shot Federated Clusteringcited by 87
  2. 2019Patient Clustering Improves Efficiency of Federated Machine Learning to predict mortality and hospital stay time using distributed Electronic Medical Recordscited by 72
  3. 2019Differential Privacy-enabled Federated Learning for Sensitive Health Datacited by 44
  4. 2017Federated Tensor Factorization for Computational Phenotypingcited by 21
  5. 2021A synthetic data integration framework to leverage external summary-level information from heterogeneous populationscited by 5
  6. 2019Federated machine learning with Anonymous Random Hybridization (FeARH) on medical recordscited by 4

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Cited by year

Citing papers per year: 2023: 1; 2024: 3.

4 papers.

  1. 2023Federated Learning for Clinical Structured Data: A Benchmark Comparison of Engineering and Statistical Approachescited by 8
  2. 2024Bridging Data Gaps in Healthcare: A Scoping Review of Transfer Learning in Biomedical Data Analysiscited by 6
  3. 2024FairFML: Fair Federated Machine Learning with a Case Study on Reducing Gender Disparities in Cardiac Arrest Outcome Predictioncited by 3
  4. 2024Developing Federated Time-to-Event Scores Using Heterogeneous Real-World Survival Datacited by 2