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Related papers: Generating patient cohorts from electronic health …

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Electronic health records (EHR) and claims data are rich sources of real-world data that reflect patient health status and healthcare utilization. Querying these databases to answer epidemiological questions is challenging due to the…

Computation and Language · Computer Science 2025-01-08 Angelo Ziletti , Leonardo D'Ambrosi

A crucial step in cohort studies is to extract the required cohort from one or more study datasets. This step is time-consuming, especially when a researcher is presented with a dataset that they have not previously worked with. When the…

Machine Learning · Computer Science 2024-12-17 Purity Mugambi , Alexandra Meliou , Madalina Fiterau

Background: Widespread adoption of electronic health records (EHRs) has enabled secondary use of EHR data for clinical research and healthcare delivery. Natural language processing (NLP) techniques have shown promise in their capability to…

Information Retrieval · Computer Science 2021-06-15 Sijia Liu , Yanshan Wang , Andrew Wen , Liwei Wang , Na Hong , Feichen Shen , Steven Bedrick , William Hersh , Hongfang Liu

Identifying patient cohorts is fundamental to numerous healthcare tasks, including clinical trial recruitment and retrospective studies. Current cohort retrieval methods in healthcare organizations rely on automated queries of structured…

Background and Significance: Selecting cohorts for a clinical trial typically requires costly and time-consuming manual chart reviews resulting in poor participation. To help automate the process, National NLP Clinical Challenges (N2C2)…

Computation and Language · Computer Science 2019-02-27 Samarth Rawal , Ashok Prakash , Soumya Adhya , Sidharth Kulkarni , Saadat Anwar , Chitta Baral , Murthy Devarakonda

Electronic Health Records (EHR) are generated from clinical routine care recording valuable information of broad patient populations, which provide plentiful opportunities for improving patient management and intervention strategies in…

Machine Learning · Computer Science 2023-04-13 Changshuo Liu , Wenqiao Zhang , Beng Chin Ooi , James Wei Luen Yip , Lingze Zeng , Kaiping Zheng

Cohort studies are of significant importance in the field of healthcare analysis. However, existing methods typically involve manual, labor-intensive, and expert-driven pattern definitions or rely on simplistic clustering techniques that…

Machine Learning · Computer Science 2024-06-21 Qingpeng Cai , Kaiping Zheng , H. V. Jagadish , Beng Chin Ooi , James Yip

We apply deep learning-based language models to the task of patient cohort retrieval (CR) with the aim to assess their efficacy. The task of CR requires the extraction of relevant documents from the electronic health records (EHRs) on the…

Information Retrieval · Computer Science 2020-09-14 Sarvesh Soni , Kirk Roberts

Recently, deep learning-based language models have significantly enhanced text-to-SQL tasks, with promising applications in retrieving patient records within the medical domain. One notable challenge in such applications is discerning…

Computation and Language · Computer Science 2024-04-26 Sangryul Kim , Donghee Han , Sehyun Kim

Machine learning models for clinical prediction rely on structured data extracted from Electronic Medical Records (EMRs), yet this process remains dominated by hardcoded, database-specific pipelines for cohort definition, feature selection,…

Databases · Computer Science 2025-10-03 Kwanhyung Lee , Sungsoo Hong , Joonhyung Park , Jeonghyeop Lim , Juhwan Choi , Donghwee Yoon , Eunho Yang

We present a new text-to-SQL dataset for electronic health records (EHRs). The utterances were collected from 222 hospital staff members, including physicians, nurses, and insurance review and health records teams. To construct the QA…

Computation and Language · Computer Science 2026-03-06 Gyubok Lee , Hyeonji Hwang , Seongsu Bae , Yeonsu Kwon , Woncheol Shin , Seongjun Yang , Minjoon Seo , Jong-Yeup Kim , Edward Choi

Extracting insights from Electronic Health Record (EHR) databases often requires SQL expertise, creating a barrier for clinical decision-making and research. A promising approach is to use Large Language Models (LLMs) to translate natural…

Information Retrieval · Computer Science 2026-04-21 Hung Nguyen , Hans Moen , Pekka Marttinen

Real-world clinical text-to-SQL requires reasoning over heterogeneous EHR tables, temporal windows, and patient-similarity cohorts to produce executable queries. We introduce CLINSQL, a benchmark of 633 expert-annotated tasks on MIMIC-IV…

Computation and Language · Computer Science 2026-01-16 Yifei Shen , Yilun Zhao , Justice Ou , Tinglin Huang , Arman Cohan

Modern Internet applications often produce a large volume of user activity records. Data analysts are interested in cohort analysis, or finding unusual user behavioral trends, in these large tables of activity records. In a traditional…

Databases · Computer Science 2016-05-05 Dawei Jiang , Qingchao Cai , Gang Chen , H. V. Jagadish , Beng Chin Ooi , Kian-Lee Tan , Anthony K. H. Tung

Electronic Health Records (EHR) store clinical documentation as base64 encoded attachments in FHIR DocumentReference resources, which makes semantic question answering difficult. Traditional vector database methods often miss nuanced…

Computation and Language · Computer Science 2025-10-31 Tarun Kumar Chawdhury , Jon D. Duke

The widespread adoption of electronic health records (EHRs) and subsequent increased availability of longitudinal healthcare data has led to significant advances in our understanding of health and disease with direct and immediate impact on…

Machine Learning · Computer Science 2022-01-21 Simon Bing , Andrea Dittadi , Stefan Bauer , Patrick Schwab

Structured (tabular) data in the preclinical and clinical domains contains valuable information about individuals and an efficient table-to-text summarization system can drastically reduce manual efforts to condense this data into reports.…

Computation and Language · Computer Science 2022-07-15 Heng-Yi Wu , Jingqing Zhang , Julia Ive , Tong Li , Vibhor Gupta , Bingyuan Chen , Yike Guo

Electronic health records (EHRs) are long, noisy, and often redundant, posing a major challenge for the clinicians who must navigate them. Large language models (LLMs) offer a promising solution for extracting and reasoning over this…

Computation and Language · Computer Science 2025-08-21 Skatje Myers , Dmitriy Dligach , Timothy A. Miller , Samantha Barr , Yanjun Gao , Matthew Churpek , Anoop Mayampurath , Majid Afshar

Electronic health records (EHRs) are increasingly recognized as a cost-effective resource for patient recruitment in clinical research. However, how to optimally select a cohort from millions of individuals to answer a scientific question…

Methodology · Statistics 2023-12-14 Guanghao Zhang , Lauren J. Beesley , Bhramar Mukherjee , Xu Shi

Large scale electronic health records (EHRs) present an opportunity to quickly identify suitable individuals in order to directly invite them to participate in an observational study. EHRs can contain data from millions of individuals,…

Applications · Statistics 2019-03-18 James E. Barrett , Aylin Cakiroglu , Catey Bunce , Anoop Shah , Spiros Denaxas
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