CHESS Scale (interRAI health instability)
CHESS Scale (interRAI health instability) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the CHESS Scale (interRAI health instability) → Runs in your browser. No signup, no tracking.
What this is
CHESS Scale (interRAI health instability) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. CHESS Scale (interRAI health instability) - 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
Hirdes JP, Frijters DH, Teare GF. The MDS-CHESS scale: a new measure to predict mortality in institutionalized older people. J Am Geriatr Soc. 2003;51(1):96-100. Read the source ↗
Worked example: CHESS score 3/5: substantial health instability — higher scores indicate greater health instability and mortality risk.
Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.