A comparison of the original chronic respiratory questionnaire with a standardized version.

@article{Schnemann2003ACO,
  title={A comparison of the original chronic respiratory questionnaire with a standardized version.},
  author={Holger J. Sch{\"u}nemann and Lauren Griffith and Roman J. Jaeschke and Roger Goldstein and David G Stubbing and Peggy Austin and Gordon H. Guyatt},
  journal={Chest},
  year={2003},
  volume={124 4},
  pages={1421-9}
}
BACKGROUND AND OBJECTIVES The chronic respiratory questionnaire (CRQ), a widely used measure of health-related quality of life (HRQL) in patients with chronic airflow limitation, includes an individualized dyspnea domain (patients identify five important activities, and report the degree of dyspnea on a 7-point scale). Because the individualized domain is unwieldy in multicenter clinical trials, we developed a standardized version and tested its discriminative and evaluative properties… CONTINUE READING

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