BMC Med Inform Decis Mak - V-Model: a new perspective for EHR-based phenotyping.

Tópicos

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{ detect(2391) sensit(1101) algorithm(908) }
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Resumo

CKGROUND: Narrative resources in electronic health records make clinical phenotyping study difficult to achieve. If a narrative patient history can be represented in a timeline, this would greatly enhance the efficiency of information-based studies. However, current timeline representations have limitations in visualizing narrative events. In this paper, we propose a temporal model named the 'V-Model' which visualizes clinical narratives into a timeline.METHODS: We developed the V-Model which models temporal clinical events in v-like graphical structure. It visualizes patient history on a timeline in an intuitive way. For the design, the representation, reasoning, and visualization (readability) aspects were considered. Furthermore, the unique graphical notation helps to find hidden patterns of a specific patient group. For evaluation, we verified our distinctive solutions, and surveyed usability. The experiments were carried out between the V-Model and a conventional timeline model group. Eighty medical students and physicians participated in this evaluation.RESULTS: The V-Model was proven to be superior in representing narrative medical events, provide sufficient information for temporal reasoning, and outperform in readability compared to a conventional timeline model. The usability of the V-Model was assessed as positive.CONCLUSIONS: The V-Model successfully resolves visualization issues of clinical documents, and provides better usability compared to a conventional timeline model.

Resumo Limpo

ckground narrat resourc electron health record make clinic phenotyp studi difficult achiev narrat patient histori can repres timelin great enhanc effici informationbas studi howev current timelin represent limit visual narrat event paper propos tempor model name vmodel visual clinic narrat timelinemethod develop vmodel model tempor clinic event vlike graphic structur visual patient histori timelin intuit way design represent reason visual readabl aspect consid furthermor uniqu graphic notat help find hidden pattern specif patient group evalu verifi distinct solut survey usabl experi carri vmodel convent timelin model group eighti medic student physician particip evaluationresult vmodel proven superior repres narrat medic event provid suffici inform tempor reason outperform readabl compar convent timelin model usabl vmodel assess positiveconclus vmodel success resolv visual issu clinic document provid better usabl compar convent timelin model

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