Outlier detection for patient monitoring and alerting.
Outlier detection for patient monitoring and alerting.
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DOI:
10.1016/j.jbi.2012.08.004
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发表时间:
2013-02
影响因子:
4.5
通讯作者:
Clermont, Gilles
中科院分区:
文献类型:
--
作者:
Hauskrecht, Milos;Batal, Iyad;Valko, Michal;Visweswaran, Shyam;Cooper, Gregory F.;Clermont, Gilles
We develop and evaluate a data-driven approach for detecting unusual (anomalous) patient-management decisions using past patient cases stored in electronic health records (EHRs). Our hypothesis is that a patient-management decision that is unusual with respect to past patient care may be due to an error and that it is worthwhile to generate an alert if such a decision is encountered. We evaluate this hypothesis using data obtained from EHRs of 4,486 post-cardiac surgical patients and a subset of 222 alerts generated from the data. We base the evaluation on the opinions of a panel of experts. The results of the study support our hypothesis that the outlier-based alerting can lead to promising true alert rates. We observed true alert rates that ranged from 25% to 66% for a variety of patient-management actions, with 66% corresponding to the strongest outliers.
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