Healthcare utilization is a collider: an introduction to collider bias in EHR data reuse
NG Weiskopf, DA Dorr, C Jackson… - Journal of the …, 2023 - academic.oup.com
Objectives Collider bias is a common threat to internal validity in clinical research but is
rarely mentioned in informatics education or literature. Conditioning on a collider, which is a …
rarely mentioned in informatics education or literature. Conditioning on a collider, which is a …
How and when informative visit processes can bias inference when using electronic health records data for clinical research
BA Goldstein, M Phelan, NJ Pagidipati… - Journal of the …, 2019 - academic.oup.com
Objective Electronic health records (EHR) data have become a central data source for
clinical research. One concern for using EHR data is that the process through which …
clinical research. One concern for using EHR data is that the process through which …
Potential bias and lack of generalizability in electronic health record data: reflections on health equity from the National Institutes of Health Pragmatic Trials …
AD Boyd, R Gonzalez-Guarda… - Journal of the …, 2023 - academic.oup.com
Embedded pragmatic clinical trials (ePCTs) play a vital role in addressing current population
health problems, and their use of electronic health record (EHR) systems promises …
health problems, and their use of electronic health record (EHR) systems promises …
[HTML][HTML] Illustrating informed presence bias in electronic health records data: how patient interactions with a health system can impact inference
M Phelan, NA Bhavsar, BA Goldstein - EGEMs, 2017 - ncbi.nlm.nih.gov
Electronic health record (EHR) data are becoming a primary resource for clinical research.
Compared to traditional research data, such as those from clinical trials and epidemiologic …
Compared to traditional research data, such as those from clinical trials and epidemiologic …
Biases in Electronic Health Records Data for Generating Real-World Evidence: An Overview
B Al-Sahab, A Leviton, T Loddenkemper… - Journal of Healthcare …, 2024 - Springer
Abstract Electronic Health Records (EHR) are increasingly being perceived as a unique
source of data for clinical research as they provide unprecedentedly large volumes of real …
source of data for clinical research as they provide unprecedentedly large volumes of real …
[HTML][HTML] An empirical study for impacts of measurement errors on EHR based association studies
Over the last decade, Electronic Health Records (EHR) systems have been increasingly
implemented at US hospitals. Despite their great potential, the complex and uneven nature …
implemented at US hospitals. Despite their great potential, the complex and uneven nature …
Informative presence bias in analyses of electronic health records-derived data: a cautionary note
Objective Electronic health record (EHR)-derived data are extensively used in health
research. However, the pattern of patient interaction with the healthcare system can result in …
research. However, the pattern of patient interaction with the healthcare system can result in …
A framework for understanding selection bias in real-world healthcare data
Using administrative patient-care data such as Electronic Health Records (EHR) and
medical/pharmaceutical claims for population-based scientific research has become …
medical/pharmaceutical claims for population-based scientific research has become …
External validation of an algorithm to identify patients with high data-completeness in electronic health records for comparative effectiveness research
Objective Electronic health records (EHR) data-discontinuity, ie receiving care outside of a
particular EHR system, may cause misclassification of study variables. We aimed to validate …
particular EHR system, may cause misclassification of study variables. We aimed to validate …
[HTML][HTML] Data quality in electronic health record research: an approach for validation and quantitative bias analysis for imperfectly ascertained health outcomes via …
ND Goldstein, D Kahal, K Testa… - Harvard data science …, 2022 - ncbi.nlm.nih.gov
It is incumbent upon all researchers who use the electronic health record (EHR), including
data scientists, to understand the quality of such data. EHR data may be subject to …
data scientists, to understand the quality of such data. EHR data may be subject to …