What's in a Summary? Laying the Groundwork for Advances in Hospital-Course Summarization

• URL: http://arxiv.org/abs/2105.00816v1
• Date: Mon, 12 Apr 2021 19:31:48 GMT
• Title: What's in a Summary? Laying the Groundwork for Advances in Hospital-Course Summarization
• Authors: Griffin Adams, Emily Alsentzer, Mert Ketenci, Jason Zucker, No\'emie Elhadad
• Abstract summary: Given the documentation authored throughout a patient's hospitalization, generate a paragraph that tells the story of the patient admission. We construct an English, text-to-text dataset of 109,000 hospitalizations (2M source notes) and their corresponding summary proxy: the clinician-authored "Brief Hospital Course" Our analysis identifies multiple implications for modeling this complex, multi-document summarization task.
• Score: 2.432409923443071
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Summarization of clinical narratives is a long-standing research problem. Here, we introduce the task of hospital-course summarization. Given the documentation authored throughout a patient's hospitalization, generate a paragraph that tells the story of the patient admission. We construct an English, text-to-text dataset of 109,000 hospitalizations (2M source notes) and their corresponding summary proxy: the clinician-authored "Brief Hospital Course" paragraph written as part of a discharge note. Exploratory analyses reveal that the BHC paragraphs are highly abstractive with some long extracted fragments; are concise yet comprehensive; differ in style and content organization from the source notes; exhibit minimal lexical cohesion; and represent silver-standard references. Our analysis identifies multiple implications for modeling this complex, multi-document summarization task.

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