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Doctor XAvIer: Explainable Diagnosis on Physician-Patient Dialogues and XAI Evaluation

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arxiv 2204.10178 v2 pith:A3HFZGA3 submitted 2022-04-11 cs.CL cs.AI

classification cs.CLcs.AI
keywords attributionclassificationcurvediagnosisdoctorfeaturexavierdialogues
verification ladder T0 review T1 audit T2 compute T3 formal
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We introduce Doctor XAvIer, a BERT-based diagnostic system that extracts relevant clinical data from transcribed patient-doctor dialogues and explains predictions using feature attribution methods. We present a novel performance plot and evaluation metric for feature attribution methods: Feature Attribution Dropping (FAD) curve and its Normalized Area Under the Curve (N-AUC). FAD curve analysis shows that integrated gradients outperforms Shapley values in explaining diagnosis classification. Doctor XAvIer outperforms the baseline with 0.97 F1-score in named entity recognition and symptom pertinence classification and 0.91 F1-score in diagnosis classification.

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Cited by 1 Pith paper

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    cs.CL 2024-12 conditional novelty 3.0 of 10

    A narrative review arguing that medical LLM evaluations should examine reasoning behaviour, not only accuracy, and proposing two conceptual transparency frameworks.

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