Interpretation of quality-of-life outcomes: issues that affect magnitude and meaning.

@article{Testa2000InterpretationOQ,
  title={Interpretation of quality-of-life outcomes: issues that affect magnitude and meaning.},
  author={Marcia A. Testa},
  journal={Medical care},
  year={2000},
  volume={38 9 Suppl},
  pages={
          II166-74
        }
}
When quality-of-life outcomes are used to evaluate treatment effectiveness, the importance of the treatment effect relative to other clinical factors is often difficult to assess. A major methodological issue addressed in this review is the interpretation of quality-of-life treatment effects. The problem is challenging for a number of reasons, including the subjective nature of the quality-of-life construct, the indirect way which it is assessed, the multiple sources of measurement error, the… CONTINUE READING

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