COPD Assessment Test (CAT)
COPD Assessment Test (CAT) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the COPD Assessment Test (CAT) → Runs in your browser. No signup, no tracking.
What this is
COPD Assessment Test (CAT) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. COPD Assessment Test (CAT) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Jones PW, Harding G, Berry P, Wiklund I, Chen WH, Kline Leidy N. Development and first validation of the COPD Assessment Test. Eur Respir J. 2009;34(3):648-654. Read the source ↗
Worked example: CAT 24/40 — high impact (21–30); at or above the GOLD ≥ 10 "more symptoms" threshold.
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