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The HMO Research Network Virtual Data Warehouse: A Public Data Model to Support Collaboration.

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The HMO Research Network (HMORN) Virtual Data Warehouse (VDW) provides a standardized data model for healthcare research across 17 systems. It ensures high-quality, comprehensive data for thousands of studies despite increasing complexity.

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Area of Science:

  • Health Informatics
  • Data Management
  • Clinical Research Infrastructure

Background:

  • The HMO Research Network (HMORN) Virtual Data Warehouse (VDW) is a public, non-proprietary data model used across 17 US healthcare systems.
  • Advances in healthcare software and data sources have increased research data availability but also data management complexity.

Purpose of the Study:

  • To describe the HMORN VDW data model, its governance, data content, and quality assurance procedures.
  • To provide a model for implementing distributed, interoperable healthcare data systems.

Main Methods:

  • Implementation of a standardized data model across multiple healthcare systems.
  • Establishment of a governance structure and policies for data content, development, implementation, and quality assurance.
  • Incorporation of software and data advances to manage complexity and ensure data quality.

Main Results:

  • The VDW supports thousands of research studies published in peer-reviewed journals.
  • The VDW data model has been updated to incorporate advances in care delivery, claims processing, and new data sources.
  • Governance structures are in place to manage new data and system complexities.

Conclusions:

  • The HMORN VDW offers a robust framework for distributed, interoperable healthcare data research.
  • Sharing the VDW model and operations can guide the implementation of similar systems.
  • Continuous adaptation of the VDW model and governance is crucial for maintaining data quality and research utility.