COPD Assessment Test (CAT)

Sums 8 patient-reported items into a COPD symptom and health-status impact score, used to identify high symptom burden and inform GOLD ABE grouping; inflated during an acute exacerbation.

I never cough (0) ↔ I cough all the time (5)

I have no phlegm in my chest at all (0) ↔ My chest is completely full of phlegm (5)

My chest does not feel tight at all (0) ↔ My chest feels very tight (5)

Not breathless walking up a hill or one flight of stairs (0) ↔ Very breathless walking up a hill or one flight of stairs (5)

Not limited doing any activities at home (0) ↔ Very limited doing activities at home (5)

Confident leaving home despite my lung condition (0) ↔ Not at all confident leaving home because of my lung condition (5)

I sleep soundly (0) ↔ I do not sleep soundly because of my lung condition (5)

I have lots of energy (0) ↔ I have no energy at all (5)