TRISS (Trauma & Injury Severity Score)
TRISS (Trauma & Injury Severity Score) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
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What this is
TRISS (Trauma & Injury Severity Score) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. TRISS (Trauma & Injury Severity Score) - a deterministic tool in Sophie Well's Clinical Math & Conversions 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
Boyd CR, Tolson MA, Copes WS. Evaluating trauma care: the TRISS method. Trauma Score and the Injury Severity Score. J Trauma. 1987;27(4):370-378. Coefficients per the MTOS revision (Champion HR, et al). Read the source ↗
Worked example: TRISS probability of survival 65.8% (blunt mechanism; RTS 6, ISS 25, age >= 55).
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