ISARIC 4C Mortality Score (COVID-19)

ISARIC 4C Mortality Score (COVID-19) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.

Open the ISARIC 4C Mortality Score (COVID-19) → Runs in your browser. No signup, no tracking.

What this is

ISARIC 4C Mortality Score (COVID-19) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. ISARIC 4C Mortality Score (COVID-19) - 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

Knight SR, Ho A, Pius R, et al. Risk stratification of patients admitted to hospital with covid-19 using the ISARIC World Health Organization Clinical Characterisation Protocol: development and validation of the 4C Mortality Score. BMJ. 2020;370:m3339. Read the source ↗

Worked example: ISARIC 4C 8 of 21 -- Intermediate risk group (in-hospital mortality ~9.9%). Contributions: age 62y +4, male +1, >=2 comorbidities +2, RR 22 +1.

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.

Built by Clay Good. Source on GitHub.