PreprintCited by 21Machine Learning in HealthcareExplainable Artificial Intelligence (XAI)Artificial Intelligence in Healthcare

MIMIC-IF: Interpretability and Fairness Evaluation of Deep Learning Models on MIMIC-IV Dataset

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Meng, Chuizheng, Trinh, Loc, Xu, Nan, Liu, Yan·2021·Research Square

Abstract

The recent release of large-scale healthcare datasets has greatly propelled the research of data-driven deep learning models for healthcare applications. However, due to the nature of such deep black-boxed models, concerns about interpretability, fairness, and biases in healthcare scenarios where human lives are at stake call for a careful and thorough examination of both datasets and models. In this work, we focus on MIMIC-IV (Medical Information Mart for Intensive Care, version IV), the largest publicly available healthcare dataset, and conduct comprehensive analyses of dataset representation bias as well as interpretability and prediction fairness of deep learning models for in-hospital mortality prediction. In terms of interpretability, we observe that (1) the best-performing interpretability method successfully identifies critical features for mortality prediction on various prediction models; (2) demographic features are important for prediction. In terms of fairness, we observe that (1) there exists disparate treatment in prescribing mechanical ventilation among patient groups across ethnicity, gender and age; (2) all of the studied mortality predictors are generally fair while the IMV-LSTM (Interpretable Multi-Variable Long Short-Term Memory) model provides the most accurate and unbiased predictions across all protected groups. We further draw concrete connections between interpretability methods and fairness metrics by showing how feature importance from interpretability methods can be beneficial in quantifying potential disparities in mortality predictors.

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  • MIMIC-IV was selected due to its large-scale, detailed documentation, generalizable formatting, corroborated use in AI/ML applications, and prior evaluations in terms of AI/ML interpretability, fairness, and bias.

    “We selected MIMIC-IV due to its large-scale, detailed documentation, generalizable formatting, corroborated use in AI/ML applications35, and prior evaluations in terms of AI/ML interpretability, fairness, and bias36.”

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Research works printed but not linked: 4

  1. Tsang, M., Cheng, D. & Liu, Y. Detecting statistical interactions from neural network weights. In International Conference on Learning Representations (2018).
  2. Ghorbani, A., Wexler, J., Zou, J. Y. & Kim, B. Towards automatic concept-based explanations. In Advances in Neural Information Processing Systems, 9277-9286 (2019).
  3. Sharma, S., Henderson, J. & Ghosh, J. Certifai: Counterfactual explanations for robustness, transparency, interpretability, and fairness of artificial intelligence models. arXiv preprint arXiv:1905.07857 (2019). · arXiv
  4. Jabbari, S., Ou, H.-C., Lakkaraju, H. & Tambe, M. An empirical study of the trade-offs between interpretability and fairness. ICML 2020 Work. on Hum. Interpret. Mach. Learn. (2020).

Cited by

Sorted by citations

Authors
Meng, C., Trinh, L., Xu, N., & Liu, Y.
Affiliations
University of Southern California (US)
Corresponding author
Trinh, Loc
Venue
Research Square
Published
2021-04-14
OpenAlex
W3132130152
Cited by
21
References
87
Citations by year
2026: 1 · 2025: 4 · 2024: 5 · 2023: 2 · 2022: 3 · 2021: 6
Type
posted content
Language
en
Open access
Locations
Research Square (acceptedVersion, cc-by)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Machine Learning in Healthcare
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
  • Health Sciences › Health Professions › Health Information Management › Artificial Intelligence in Healthcare
Keywords
MIMIC-IV, interpretability, algorithmic fairness, in-hospital mortality prediction, representation bias, demographic bias, protected groups, feature importance, artificial intelligence in healthcare, intensive care

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