Heterogeneity introduced by EHR system implementation in a de-identified data resource from 100 non-affiliated organizations.
Electronic health record (EHR) data aggregated from multiple, non-affiliated, sources provide an important resource for biomedical research, including digital phenotyping. Unlike work with EHR data from a single organization, aggregate EHR data introduces a number of analysis challenges.
Author(s): Glynn, Earl F, Hoffman, Mark A
DOI: 10.1093/jamiaopen/ooz035