KevinMD January 13, 2022
Big Data in medicine is the data analysis of large amounts of patient medical information to improve medical care. Analysis of data may be used to pick the best intervention for a patient based upon care outcomes of similar patients or to evaluate physicians.
The primary source of patient medical information is patient medical records, where a medical record reports what happens during an encounter, where an encounter is defined as either an outpatient visit or a hospital stay. Often the data analysis is done after the medical records have been moved to a database where each patient’s identity has been removed, a process called “de-identification.”
A medical record includes the patient’s complaint, past histories of associated medical conditions, tests...
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