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New TGS method corrects LLM bias in clinical classification

Researchers have developed a new method called Trajectory-Guided Steering (TGS) to address spurious feature bias in clinical classification tasks performed by large language models. TGS analyzes a model's prediction trajectory across layers to determine when and how to correct predictions, without needing counterfactual data or knowledge of the specific spurious feature. In tests on 16 clinical classification tasks, TGS successfully corrected 17.7% of errors while only introducing 1.3% new errors, demonstrating a net improvement. This method also significantly reduced gender-swap inconsistency in diagnoses for conditions like hypertension and diabetes. AI

IMPACT This research offers a novel approach to improve the reliability and fairness of LLMs in sensitive clinical applications by mitigating bias.

RANK_REASON The cluster contains an academic paper detailing a new method for LLMs. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.CL →

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New TGS method corrects LLM bias in clinical classification

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The cluster contains an academic paper detailing a new method for LLMs. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.CL TIER_1 English(EN) · Fardin Ahsan Sakib, Ziwei Zhu, Ozlem Uzuner ·

    Trajectory-Guided Steering: Mitigating Spurious Feature Bias in Clinical Classification

    arXiv:2610.22618v1 Announce Type: new Abstract: Large language models rely on spurious features in clinical classification: swapping a single gender token in clinical notes alters gender-irrelevant diagnoses in up to 53.5% of cases. Existing inference-time corrections either need…