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COPD. 2005 Mar;2(1):63-7.

Approaches and recommendations for estimating minimally important differences for health-related quality of life measures.

Author information

  • 1School of Public Health, Division of Health Services, UCLA, Los Angeles, California 90095-1736, USA. drhays@ucla.edu

Abstract

We describe currently available approaches for estimating the minimally important difference (MID) and their associated strengths and weaknesses. Specifically, we show that anchor-based methods should be the primary method of estimating the MID because of the limitations of distribution-based methods. In addition, we provide recommendations for estimating the MID in future research.

PMID:
17136964
[PubMed - indexed for MEDLINE]
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