SOF Frailty Index
SOF Frailty Index - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the SOF Frailty Index → Runs in your browser. No signup, no tracking.
What this is
SOF Frailty Index is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. SOF Frailty Index - 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
Ensrud KE, Ewing SK, Taylor BC, et al. Comparison of 2 frailty indexes for prediction of falls, disability, fractures, and death in older women. Arch Intern Med. 2008;168(4):382-389. Read the source ↗
Worked example: SOF 2/3 — frail.
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.