Properties of the COPD assessment test in a cross-sectional European study

P.W. Jones, M.L. Levy, G. Brusselle, R.W. Dal Negro, M. Ferrer, J.J. Soler Cataluña, P. Kardos, N. Banik, T. Perez, L. Adamek, T. Van Der Molen

Research output: Contribution to journalArticlepeer-review


A short, easy-to-use health status questionnaire is needed in the multidimensional assessment of chronic obstructive pulmonary disease (COPD) in routine practice. The performance of the eight-item COPD assessment test (CAT) was analysed in 1,817 patients from primary care in seven European countries. The CAT has a scoring range of 0-40 (high score representing poor health status). Mean CAT scores indicated significant health status impairment that was related to severity of airway obstruction, but within each Global Initiative for Obstructive Lung Disease stage (I to IV) there was a wide range of scores (I: 16.2±8.8; II: 16.3±7.9; III: 19.3±8.2; and IV: 22.3±8.7; I versus II, p=0.88; II versus III, p
Original languageEnglish
Pages (from-to)29-35
Number of pages7
JournalEuropean Respiratory Journal
Issue number1
Publication statusPublished - 1 Jul 2011


Dive into the research topics of 'Properties of the COPD assessment test in a cross-sectional European study'. Together they form a unique fingerprint.

Cite this