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What Information Does Your EHR Contain? Automatic Generation of a Clinical Metadata Warehouse (CMDW) to Support Identification and Data Access Within Distributed Clinical Research Networks

机译:您的EHR包含哪些信息?自动生成临床元数据仓库(CMDW),以支持分布式临床研究网络中的识别和数据访问

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Data dictionaries provide structural meta-information about data definitions in health information technology (HIT) systems. In this regard, reusing healthcare data for secondary purposes offers several advantages (e.g. reduced documentation times or increased data quality). Prerequisites for data reuse are its quality, availability and identical meaning of data. In diverse projects, research data warehouses serve as core components between heterogeneous clinical databases and various research applications. Given the complexity (high number of data elements) and dynamics (regular updates) of electronic health record (EHR) data structures, we propose a clinical metadata warehouse (CMDW) based on a metadata registry standard. Metadata of two large hospitals were automatically inserted into two CMDWs containing 16,230 forms and 310,519 data elements. Automatic updates of metadata are possible as well as semantic annotations. A CMDW allows metadata discovery, data quality assessment and similarity analyses. Common data models for distributed research networks can be established based on similarity analyses.
机译:数据词典提供有关健康信息技术(命中)系统中的数据定义的结构元信息。在这方面,为次要目的重用医疗保健数据提供了几个优点(例如,减少了文档时间或增加数据质量)。数据重用的先决条件是其质量,可用性和数据的相同含义。在不同的项目中,研究数据仓库是异构临床数据库和各种研究应用之间的核心组件。鉴于电子健康记录(EHR)数据结构的复杂性(大量数据元素)和动态(常规更新),我们提出了一种基于元数据注册表标准的临床元数据仓库(CMDW)。两个大型医院的元数据被自动插入两个CMDW,其中包含16,230个表格和310,519个数据元素。元数据的自动更新是可能的还有语义注释。 CMDW允许元数据发现,数据质量评估和相似性分析。可以基于相似性分析建立分布式研究网络的常见数据模型。

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