England & Fraser Index (Thalassemia vs Iron Deficiency)
England & Fraser Index (Thalassemia vs Iron Deficiency) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
England & Fraser Index (Thalassemia vs Iron Deficiency) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. England & Fraser Index (Thalassemia vs Iron Deficiency) - 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
England JM, Fraser PM. Differentiation of iron deficiency from thalassaemia trait by routine blood-count. Lancet. 1973;1(7801):449-452. Read the source ↗
Worked example: England & Fraser discriminant function -6.4 — favors beta-thalassemia trait (cutoff 0).
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