Impact of hospital-specific domain adaptation on BERT-based models to classify neuroradiology reports

Abstract

Question BERT-based models can classify radiology reports, but it is unclear if there is any incremental benefit from additional hospital-specific domain adaptation. Findings Hospital-specific domain adaptation resulted in the highest BERT-based model accuracies and performance scaled log-linearly with the number of reports. Clinical relevance BERT-based models after hospital-specific domain adaptation achieve the best classification results provided sufficient high-quality training labels. When labelled data is scarce, LLMs such as Llama-3.0 70B are a viable alternative provided there are sufficient computational resources.

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