The SF-36 and SGRQ: validity and first look at minimum important differences in IPF.

@article{Swigris2010TheSA,
  title={The SF-36 and SGRQ: validity and first look at minimum important differences in IPF.},
  author={Jeffrey J. Swigris and Kevin K. Brown and J{\"u}rgen Behr and Roland M du Bois and Talmadge E. King and Ganesh Raghu and Frederick S. Wamboldt},
  journal={Respiratory medicine},
  year={2010},
  volume={104 2},
  pages={296-304}
}
RATIONALE Health-related quality of life (HRQL) is an important outcome in drug trials. Little is known about how the Short Form-36 (SF-36) and Saint George's Respiratory Questionnaire (SGRQ) perform in idiopathic pulmonary fibrosis (IPF). OBJECTIVES To examine the validity of the SF-36 and SGRQ and to determine scores from each that would constitute a minimum important difference (MID). METHODS We analyzed data from a recently completed trial that enrolled subjects with well-defined IPF… CONTINUE READING

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