Identifying and mitigating biases in EHR laboratory tests.
Journal of Biomedical Informatics(2014)
摘要
•Laboratory test measurement patterns provide separate information from test’s values.•Measurement patterns are shaped by the healthcare process and patient health states.•We found 3 laboratory measurement patterns: outpatient, inpatient, mixture of both.•Without separating ordering reasons, using lab tests in research can bias results.
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关键词
Electronic health record,Laboratory testing,Bias,Confounding,Missing data,Information theory
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