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Related Experiment Videos

Comparing sources of drug data about the elderly.

R E Johnson1, W M Vollmer

  • 1Center for Health Research, Kaiser Permanente, Portland, OR.

Journal of the American Geriatrics Society
|November 1, 1991
PubMed
Summary

An automated outpatient pharmacy system accurately captures prescription drug data for frail elderly individuals. This system offers reliable information, comparable to in-home assessments, for healthcare management.

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Area of Science:

  • Gerontology
  • Health Informatics
  • Pharmaceutical Sciences

Background:

  • Accurate medication data is crucial for managing the health of elderly populations.
  • In-home assessments are considered a criterion standard but can be resource-intensive.
  • Alternative data sources like pharmacy systems and questionnaires require validation.

Purpose of the Study:

  • To evaluate the agreement between in-home medication assessments and data from automated outpatient pharmacy systems.
  • To compare the accuracy of mail questionnaires against in-home assessments for medication data.
  • To determine the reliability of automated pharmacy data for elderly HMO members.

Main Methods:

  • A comparative study design was employed, using in-home assessments as the criterion standard.
  • Data from mail questionnaires and automated outpatient pharmacy systems were statistically compared.
  • Measures included t tests, sensitivity, specificity, and positive predictive value.

Main Results:

  • Close agreement was observed between in-home assessments and automated pharmacy systems regarding prescription drug counts and therapeutic classes.
  • Agreement was lower between in-home assessments and mail questionnaires.
  • Less agreement was found for non-prescription drugs compared to prescription medications.

Conclusions:

  • Automated outpatient pharmacy systems provide adequate and reliable information on prescription medications for frail elderly HMO enrollees.
  • This finding supports the use of automated pharmacy data for monitoring medication use in this population.
  • Mail questionnaires demonstrated lower concordance with in-home assessments for medication tracking.

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