PHASES Score (aneurysm rupture risk)
PHASES Score (aneurysm rupture risk) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
PHASES Score (aneurysm rupture risk) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. PHASES Score (aneurysm rupture risk) - 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
Greving JP, Wermer MJH, Brown RD Jr, et al. Development of the PHASES score for prediction of risk of rupture of intracranial aneurysms: a pooled analysis of six prospective cohort studies. Lancet Neurol. 2014;13(1):59-66. Read the source ↗
Worked example: PHASES 18/22: 5-year cumulative rupture risk ~17.8%.
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