The Clinical COPD Questionnaire (CCQ) is a short health status questionnaire for patients with COPD. The main purpose of this questionnaire is the measurement of health status of patients with breathing difficulties due to their illness. By measuring health status, the general practitioner, the specialist, and the patient get better information on the severity of symptoms and limitations caused by the disease. The effect of treatment on symptoms and limitations can be measured as well.

On this website you can not only download the questionnaire and its manual, but also complete the questionnaire and calculate your score.

The main purpose of this questionnaire is measurement of disease related health status of the patient. The questionnaire does not intent to diagnose COPD. For diagnosing COPD a visit to the GP or specialist is necessary.  Measurement of lung function is also required.

Currently, the questionnaire is available in 53 languages. A complete list of all translations can be found here. The use of the questionnaire in daily practice is free of charge, but please mind the copyright!
The questionnaire may not be altered, sold (paper or electronic), translated or adapted for another medium without the permission of the author.
The use of the questionnaire in international research, in which different languages are used is only allowed after approval of the author.