Abstract
This study characterizes the data components that might improve the process of medical decision-making in an emergency department. The outcome measures was the decision to admit/discharge a patient to the hospital from emergency room with/without using an electronic health record (EHR) and Health Information Exchange (HIE) network. We found that using various information components via the EHR and HIE significantly affects admission decisions. Pervious hospitalizations, list of surgeries and laboratories were the most influential components (for chest pain, blood pressure was the most influential one and for pneumonia, it was community records).
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