Cited by 86Ethics and Social Impacts of AIExplainable Artificial Intelligence (XAI)Artificial Intelligence in Healthcare and Education

FairLens: Auditing black-box clinical decision support systems

Open access
Panigutti, Cecilia, Perotti, Alan, Panisson, André, Bajardi, Paolo, Pedreschi, Dino·2021·Information Processing & Management

Abstract

The pervasive application of algorithmic decision-making is raising concerns on the risk of unintended bias in AI systems deployed in critical settings such as healthcare. The detection and mitigation of model bias is a very delicate task that should be tackled with care and involving domain experts in the loop. In this paper we introduce FairLens, a methodology for discovering and explaining biases. We show how this tool can audit a fictional commercial black-box model acting as a clinical decision support system (DSS). In this scenario, the healthcare facility experts can use FairLens on their historical data to discover the biases of the model before incorporating it into the clinical decision flow. FairLens first stratifies the available patient data according to demographic attributes such as age, ethnicity, gender and healthcare insurance; it then assesses the model performance on such groups highlighting the most common misclassifications. Finally, FairLens allows the expert to examine one misclassification of interest by explaining which elements of the affected patients’ clinical history drive the model error in the problematic group. We validate FairLens’ ability to highlight bias in multilabel clinical DSSs introducing a multilabel-appropriate metric of disparity and proving its efficacy against other standard metrics.

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  • Visualization tools such as the What-If Tool and FairLens can help surface potential data outliers and help correct them before they creep into models.

    “For example, visualization tools such as the What-If Tool [193] and FairLens [194] can help surface any potential data outliers and help correct them before they creep into models.”

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Authors
Panigutti, C., Perotti, A., Panisson, A., Bajardi, P., & Pedreschi, D.
Affiliations
  • Scuola Normale Superiore (IT)
  • Institute for Scientific Interchange (IT)
  • University of Pisa (IT)
Corresponding author
Panigutti, Cecilia
Venue
Information Processing & Management
Publisher
Elsevier BV
Published
2021-09
Volume
58
Issue
5
Pages
102657
ISSN
  • 0020-0271 (ISSN-L)
  • 0306-4573
OpenAlex
W3099868389
Cited by
86
References
82
Citations by year
2026: 9 · 2025: 19 · 2024: 15 · 2023: 20 · 2022: 13 · 2021: 9 · 2020: 1
FWCI
17.82
Type
journal article
Language
en
Open access
Locations
  • Information Processing & Management (publishedVersion, cc-by-nc-nd)
  • arXiv (Cornell University) (submittedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion, other-oa)
  • arXiv (Cornell University)
Funders
  • Intesa Sanpaolo Innovation Center
  • European Commission (952026, 834756, 952215, 871042)
  • Regione Piemonte
  • HORIZON EUROPE Excellent Science
Topics
  • Social Sciences › Safety Research › Ethics and Social Impacts of AI
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
Keywords
algorithmic fairness, bias detection, clinical decision support systems, black-box models, explainable AI, model auditing, demographic disparities, multi-label classification

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