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Related Experiment Videos

Replicating the chronic disease score (CDS) from automated pharmacy data

R E Johnson1, M C Hornbrook, G A Nichols

  • 1Center for Health Research, Kaiser Permanente Northwest Region, Portland, OR 97227-1098, USA.

Journal of Clinical Epidemiology
|October 1, 1994
PubMed
Summary

A new Chronic Disease Status (CDS) measure, using pharmacy data, reliably assesses patient health. This low-cost tool aids in screening and resource allocation for healthcare.

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Area of Science:

  • Health Services Research
  • Clinical Informatics
  • Epidemiology

Background:

  • Assessing chronic disease status is crucial for healthcare management.
  • Existing methods may be resource-intensive or lack automation.
  • Automated data sources offer potential for efficient health status measurement.

Purpose of the Study:

  • To develop and validate a Chronic Disease Status (CDS) measure.
  • To evaluate the reliability and validity of the CDS using automated outpatient pharmacy data.
  • To assess the utility of the CDS for healthcare applications like screening and resource allocation.

Main Methods:

  • The Chronic Disease Status (CDS) measure was created using automated outpatient pharmacy data.
  • Reliability was assessed through test-retest analysis.

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  • Validity was evaluated using correlation and regression techniques against established instruments (RAND-36, BSI-8) and healthcare utilization data (visits, hospitalizations).

    • Main Results:

    • The CDS demonstrated good test-retest reliability over time.
    • Construct validity was supported by correlations with the RAND-36 and BSI-8.
    • Predictive validity was confirmed through associations with healthcare visits and hospitalizations.
    • Results were consistent with initial findings from Group Health Cooperative (GHC).

    Conclusions:

    • The Chronic Disease Status (CDS) measure is a reliable and valid tool for assessing patient health status.
    • Automated pharmacy data provides a readily accessible and low-cost method for health status assessment.
    • The CDS has potential applications in screening, resource allocation, and quality assurance in healthcare settings.