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The CRQ-SR is a 20-item questionnaire examines how chronic obstructive pulmonary disease (COPD) effects quality of life, and evaluates four dimensions: dyspnea, fatigue, emotional function, and mastery. Items are scored from 1 (most severe) to 7 (no impairment)
Year: 2001 Authors: Williams et al Disease: COPD Outcome: COPD symptoms (short term)
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Measure: Dyspnea or breathlessness
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Number of RCTs that used this tool (in our study): 3
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Scale: Higher scores are better Reference: Williams, J. E., Singh, S. J., Sewell, L., Guyatt, G. H., & Morgan, M. D. (2001). Development of a self-reported Chronic Respiratory Questionnaire (CRQ-SR). Thorax, 56(12), 954-959.
Target population: General population Focus Disease specific Translations available: Yes Original version validated: Yes Original language: English Form of delivery: Self-reported Licence needed: Yes 10.1136/thorax.56.12.954