Directive Explanations for Monitoring the Risk of Diabetes Onset: Introducing Directive Data-Centric Explanations and Combinations to Support What-If Explorations
Authors: Aditya Bhattacharya, Jeroen Ooge, Gregor Stiglic, Katrien Verbert
AI-generated Key Points
- Developed an explanation dashboard to predict diabetes onset and provide explanations to healthcare experts
- Included data-centric, feature-importance, and example-based explanations for monitoring patient health records
- Compared different explanation methods in terms of understandability, usefulness, actionability, and trust
- Participants preferred data-centric explanations providing local insights with a global overview
- Visualizations were crucial for quick understanding, with color-coded representations appreciated for easy interpretation
- Some participants found difficulty in interpreting data-distribution charts without textual annotations
- Directive explanations were important in guiding healthcare experts towards actionable insights from patient health records
- Identified limitations such as offline predictions and the need for evaluation with specialists dedicated to type-2 diabetes care
- Future research will focus on personalizing directive counterfactual explanations and analyzing the utility of different explanation methods used in isolation
- Emphasized the significance of visually directive data-centric explanations in assisting healthcare experts with decision-making based on machine learning predictions
Abstract: Explainable artificial intelligence is increasingly used in machine learning (ML) based decision-making systems in healthcare. However, little research has compared the utility of different explanation methods in guiding healthcare experts for patient care. Moreover, it is unclear how useful, understandable, actionable and trustworthy these methods are for healthcare experts, as they often require technical ML knowledge. This paper presents an explanation dashboard that predicts the risk of diabetes onset and explains those predictions with data-centric, feature-importance, and example-based explanations. We designed an interactive dashboard to assist healthcare experts, such as nurses and physicians, in monitoring the risk of diabetes onset and recommending measures to minimize risk. We conducted a qualitative study with 11 healthcare experts and a mixed-methods study with 45 healthcare experts and 51 diabetic patients to compare the different explanation methods in our dashboard in terms of understandability, usefulness, actionability, and trust. Results indicate that our participants preferred our representation of data-centric explanations that provide local explanations with a global overview over other methods. Therefore, this paper highlights the importance of visually directive data-centric explanation method for assisting healthcare experts to gain actionable insights from patient health records. Furthermore, we share our design implications for tailoring the visual representation of different explanation methods for healthcare experts.
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