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COPD Assessment Test
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About COPD Assessment Test
Scale Name
COPD Assessment Test
Author Details
The COPD Assessment Test was developed by a multi-disciplinary group of international experts in chronic obstructive pulmonary disease (COPD) supported by GlaxoSmithKline (GSK).
Translation Availability
Not Sure
Background/Description
The COPD Assessment Test (CAT) is designed to measure the impact of COPD on a patient’s life and monitor changes over time. Introduced in 2009, the CAT helps quantify symptoms and their effects on daily activities, making it easier for healthcare providers to manage COPD. The CAT consists of eight questions, each rated on a scale from 0 to 5, providing a score that indicates the severity of the disease’s impact.
Administration, Scoring and Interpretation
- Preparation: The patient receives the CAT, which can be downloaded and printed from the official website.
- Completion: The patient answers the eight questions, rating symptoms and their impact on daily life on a scale from 0 (no impact) to 5 (severe impact).
- Scoring: The scores for each question are summed to provide a total score ranging from 0 to 40.
- Interpretation: Higher scores indicate a greater impact of COPD on the patient’s life. Scores above 10 suggest significant impairment and may prompt a review of the treatment plan.
Reliability and Validity
The CAT has been extensively validated and found to have high internal consistency, with Cronbach’s alpha values ranging from 0.85 to 0.98. It has demonstrated reliability in various studies, with test-retest reliability being robust across different patient populations and settings. The CAT also shows good concurrent and predictive validity, correlating well with other measures of health status and outcomes in COPD patients.
Available Versions
Maltiple-Items
Reference
Gupta, N., Pinto, L. M., Morogan, A., & Bourbeau, J. (2014). The COPD assessment test: a systematic review. European Respiratory Journal, 44(4), 873-884.
Important Link
Scale File:
Frequently Asked Questions
What is the COPD Assessment Test (CAT)?
The CAT is a questionnaire used to assess the impact of COPD on a patient’s daily life.
How many questions are in the CAT?
The CAT consists of eight questions.
How is the CAT scored?
Each question is rated from 0 to 5, with the total score ranging from 0 to 40. Higher scores indicate greater impact.
What does a high CAT score indicate?
A high CAT score suggests significant impairment due to COPD and may require adjustments in the treatment plan.
Can the CAT diagnose COPD?
No, the CAT is not used for diagnosis but for assessing the impact of COPD on quality of life.
How often should the CAT be administered?
The CAT can be taken regularly, such as every few months, to monitor changes in symptoms and treatment effectiveness.
Is the CAT available in multiple languages?
Yes, the CAT has been translated and validated in over 50 languages
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