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Due to the increasing adoption of electronic health records (EHR), large scale EHRs have become another rich data source for translational clinical research. Despite its potential, deriving generalizable knowledge from EHR data remains…

机器学习 · 统计学 2023-06-01 Junwei Lu , Jin Yin , Tianxi Cai

We present RAM-EHR, a Retrieval AugMentation pipeline to improve clinical predictions on Electronic Health Records (EHRs). RAM-EHR first collects multiple knowledge sources, converts them into text format, and uses dense retrieval to obtain…

计算与语言 · 计算机科学 2024-07-30 Ran Xu , Wenqi Shi , Yue Yu , Yuchen Zhuang , Bowen Jin , May D. Wang , Joyce C. Ho , Carl Yang

The healthcare sector has experienced a rapid accumulation of digital data recently, especially in the form of electronic health records (EHRs). EHRs constitute a precious resource that IS researchers could utilize for clinical applications…

机器学习 · 计算机科学 2024-11-06 Thiti Suttaket , L Vivek Harsha Vardhan , Stanley Kok

The widespread application of Electronic Health Records (EHR) data in the medical field has led to early successes in disease risk prediction using deep learning methods. These methods typically require extensive data for training due to…

机器学习 · 计算机科学 2024-11-28 Shibo Li , Hengliang Cheng , Weihua Li

Learning efficient representations for concepts has been proven to be an important basis for many applications such as machine translation or document classification. Proper representations of medical concepts such as diagnosis, medication,…

机器学习 · 计算机科学 2016-02-18 Edward Choi , Mohammad Taha Bahadori , Elizabeth Searles , Catherine Coffey , Jimeng Sun

Clinical events captured in Electronic Health Records (EHR) are irregularly sampled and may consist of a mixture of discrete events and numerical measurements, such as laboratory values or treatment dosages. The sequential nature of EHR,…

Building models for health prediction based on Electronic Health Records (EHR) has become an active research area. EHR patient journey data consists of patient time-ordered clinical events/visits from patients. Most existing studies focus…

机器学习 · 计算机科学 2022-07-18 Yuxi Liu , Zhenhao Zhang , Antonio Jimeno Yepes , Flora D. Salim

Electronic Health Records (EHRs) have become increasingly popular to support clinical decision-making and healthcare in recent decades. EHRs usually contain heterogeneous information, such as structural data in tabular form and unstructured…

机器学习 · 计算机科学 2024-03-15 Hejie Cui , Xinyu Fang , Ran Xu , Xuan Kan , Joyce C. Ho , Carl Yang

In-hospital mortality (IHM) prediction for ICU patients is critical for timely interventions and efficient resource allocation. While structured physiological data provides quantitative insights, clinical notes offer unstructured,…

计算与语言 · 计算机科学 2024-11-27 Harshavardhan Battula , Jiacheng Liu , Jaideep Srivastava

Mixed Models for Repeated Measures (MMRMs) are ubiquitous when analyzing outcomes of clinical trials. However, the linearity of the fixed-effect structure in these models largely restrict their use to estimating treatment effects that are…

统计方法学 · 统计学 2023-01-23 Lars Lau Raket

We develop an unsupervised probabilistic model for heterogeneous Electronic Health Record (EHR) data. Utilizing a mixture model formulation, our approach directly models sequences of arbitrary length, such as medications and laboratory…

机器学习 · 计算机科学 2022-09-02 Alan D. Kaplan , John D. Greene , Vincent X. Liu , Priyadip Ray

Accessing longitudinal multimodal Electronic Healthcare Records (EHRs) is challenging due to privacy concerns, which hinders the use of ML for healthcare applications. Synthetic EHRs generation bypasses the need to share sensitive real…

计算与语言 · 计算机科学 2022-11-04 Zifeng Wang , Jimeng Sun

Electronic health records (EHRs) contain structured and unstructured data of significant clinical and research value. Various machine learning approaches have been developed to employ information in EHRs for risk prediction. The majority of…

The inherent complexity of structured longitudinal Electronic Health Records (EHR) data poses a significant challenge when integrated with Large Language Models (LLMs), which are traditionally tailored for natural language processing.…

计算与语言 · 计算机科学 2024-02-13 Yinghao Zhu , Zixiang Wang , Junyi Gao , Yuning Tong , Jingkun An , Weibin Liao , Ewen M. Harrison , Liantao Ma , Chengwei Pan

Electronic Health Records (EHRs) contain a large volume of heterogeneous patient data, which are useful at the point of care and for retrospective research. These data are typically stored in relational databases. Gaining an integrated view…

计算机与社会 · 计算机科学 2018-06-04 Dina Levy-Lambert , Jen J. Gong , Tristan Naumann , Tom J. Pollard , John V. Guttag

Electronic Medical Records (EMR) are a rich source of patient information, including measurements reflecting physiologic signs and administered therapies. Identifying which variables are useful in predicting clinical outcomes can be…

机器学习 · 统计学 2019-04-03 Eugene Laksana , Melissa Aczon , Long Ho , Cameron Carlin , David Ledbetter , Randall Wetzel

Electronic health records (EHR) data provide a cost and time-effective opportunity to conduct cohort studies of the effects of multiple time-point interventions in the diverse patient population found in real-world clinical settings.…

Predicting future clinical events from longitudinal electronic health records (EHRs) requires selecting plausible outcomes from a large and structured event space under sparse observations. While clinical coding systems provide hierarchical…

机器学习 · 计算机科学 2026-05-08 Zhan Qu , Michael Färber

Large-scale pretraining has transformed modeling of language and other data types, but its potential remains underexplored in healthcare with structured electronic health records (EHRs). We present a novel generative pretraining strategy…

Electronic Health Records (EHRs) are typically stored as time-stamped encounter records. Observing temporal relationship between medical records is an integral part of interpreting the information. Hence, statistical analysis of EHRs…

应用统计 · 统计学 2020-07-29 Anne Woods , Craig Meyer , Brian Sauer , Beth Cohen