Comparison of 5 health-related quality-of-life indexes using item response theory analysis.

@article{Fryback2010ComparisonO5,
  title={Comparison of 5 health-related quality-of-life indexes using item response theory analysis.},
  author={Dennis G. Fryback and Mari Palta and Dasha Cherepanov and Daniel Bolt and Jee-Seon Kim},
  journal={Medical decision making : an international journal of the Society for Medical Decision Making},
  year={2010},
  volume={30 1},
  pages={5-15}
}
BACKGROUND Five health-related quality-of-life (HRQoL) indexes--EQ-5D, HUI2, HUI3, QWB-SA, and SF-6D--are each used to assign community-based utility scores to health states, although these scores differ. OBJECTIVE The authors transform these indexes to a common scale to understand their interrelationships. METHODS Data were from the National Health Measurement Study, a telephone survey of 3844 US adults. The 5 indexes were analyzed using item response theory analysis to estimate scores on… CONTINUE READING

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