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Sensitivity and specificity of the Minimum Data Set 3.0 discharge data relative to Medicare claims

Momotazur Rahman1, Denise Tyler1, Joseph Kofi Acquah2

  • 1Department of Health Services, Policy, and Practice, Brown University, Providence, RI.

Journal of the American Medical Directors Association
|September 3, 2014
PubMed
Abstract

Insights

The Minimum Data Set (MDS) 3.0 discharge record accurately identifies nursing home resident hospitalizations and deaths. MDS data provides a reliable proxy for Medicare claims data, crucial for tracking resident outcomes.

Area of Science:

  • Healthcare Informatics
  • Geriatric Care
  • Health Services Research

Background:

  • Accurate tracking of nursing home resident hospitalizations and deaths is essential for quality assessment and care improvement.
  • The Minimum Data Set (MDS) 3.0 is a standardized assessment used in nursing homes, but its accuracy for post-discharge events requires validation.

Purpose of the Study:

  • To evaluate the accuracy of the MDS 3.0 discharge record in identifying hospitalizations and deaths among nursing home residents.
  • To compare hospitalization and rehospitalization rates derived from MDS data versus traditional Medicare claims data.

Main Methods:

  • Merged Medicare enrollment data (deaths) and hospital inpatient claims with MDS 3.0 discharge records for validation.
  • Analyzed the concordance between MDS and claims data for identifying hospitalization events.
  • Examined 30-day rehospitalization rates calculated from both MDS and claims data.

Main Results:

  • MDS 3.0 discharge records identified 94% of hospitalizations found in Medicare claims and 87% of MDS-identified hospitalizations were verified by claims.
  • Death identification using MDS discharge records was nearly perfect.
  • MDS-derived 30-day rehospitalization rates explained over 99% of the variation in claims-derived rates.

Conclusions:

  • The MDS 3.0 discharge record demonstrates high accuracy in capturing hospitalization and death events for nursing home residents.
  • MDS-based hospitalization rates serve as a strong proxy for the gold-standard Medicare claims data, supporting its use in quality monitoring.
Keywords:
MedicareMinimum Data SetSensitivityhospitalizationspecificity

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