The CAT is a short, simple questionnaire for assessing and monitoring COPD. 
Year: 2009 Authors: Jones et al. Disease: COPD Outcome: COPD symptoms (short term)
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Measure: General COPD symptoms
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Number of RCTs that used this tool (in our study): 4
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Scale: Lower scores are better, scores ranging 0-40 Reference: Jones, P. W., Harding, G., Berry, P., Wiklund, I., Chen, W. H., & Kline Leidy, N. (2009). Development and first validation of the COPD Assessment Test. The European respiratory journal, 34(3), 648–654.
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 10.1183/09031936.00102509