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	COPD Assessment Test	EORTC QLQ-C30
Ämnesområde	Hälsoutfall	Hälsoutfall
Familj	Process / pipeline	Process / pipeline
Ursprungsår	2009	1993
Upphovsperson	Paul W. Jones et al.	Nico Aaronson et al.
Typ	Self-report symptom and impact questionnaire	Self-report quality of life questionnaire
Ursprungskälla	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. European Respiratory Journal, 34(3), 648-654.	Aaronson, N. K., Ahmedzai, S., Bergman, B., Bullinger, M., Cull, A., Duez, N. J., ... & Takeda, F. (1993). The European Organisation for Research and Treatment of Cancer QLQ-C30: A quality-of-life instrument for use in international clinical trials in oncology. Journal of the National Cancer Institute, 85(5), 365-376.
Alias	CAT, COPD Assessment Test, COPD Assessment Tool	QLQ-C30, EORTC QLQ-C30, Cancer Quality of Life Scale
Närliggande	4	5
Sammanfattning	The COPD Assessment Test (CAT) is a simple, rapid, patient-centered measure of COPD symptom burden and functional impact. Developed by Paul Jones and colleagues in 2009, this 8-item questionnaire captures how COPD affects cough, sputum, chest tightness, breathing difficulty, activity limitation, confidence, sleep, and energy. It is used worldwide in clinical practice to guide disease management decisions and as a primary outcome measure in COPD clinical trials.	The EORTC QLQ-C30 is the most widely used international instrument for assessing quality of life in cancer patients. Developed by the European Organisation for Research and Treatment of Cancer in 1993, it measures physical, emotional, cognitive, and social functioning alongside cancer-specific symptoms and financial impact, making it the standard outcome measure in oncology clinical trials and patient care.