Patient Characteristics associated with Venous Thromboembolic Events: a Cohort Study Using Pooled Electronic Health Record Data

submitted by: Jamia
Abstract: Objective: To demonstrate the potential of de-identified clinical data from multiple healthcare systems using different electronic health records (EHR) to be efficiently used for very large retrospective cohort studies. Materials and methods: Data of 959,030 patients, pooled from multiple different healthcare systems with distinct EHR, were obtained. Data were standardized and normalized using common ontologies, searchable through a HIPAA-complaint, patient de-identified web...