McIsaac Score (Modified Centor)
McIsaac Score (Modified Centor) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the McIsaac Score (Modified Centor) → Runs in your browser. No signup, no tracking.
What this is
McIsaac Score (Modified Centor) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. McIsaac Score (Modified Centor) - 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
McIsaac WJ, White D, Tannenbaum D, Low DE. A clinical score to reduce unnecessary antibiotic use in patients with sore throat. CMAJ. 1998;158(1):75-83. Read the source ↗
Worked example: McIsaac 3 — group A strep probability ~28-35%; rapid antigen test or throat culture, treat if positive.
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