Research & statistics tool · browser-based · free
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RMST (Restricted Mean Survival Time) — free, runs in your browser

RMST is the area under the KM curve over [0,τ], i.e. mean survival time within τ. When proportional hazards fails and HR is hard to interpret, the RMST … Computed in your browser — no data uploaded.

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Computed locally — no data uploaded. For licensed clinicians and researchers.
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Runs in your browser

No software installation. Paste your data and get results instantly.

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Publication-ready output

Export charts as SVG vector or HD/UHD PNG suitable for journal submission.

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Data stays local

Nothing is uploaded. Your patient data never leaves your device.

Common questions

When should I use RMST?

RMST is the area under the KM curve over [0,τ], i.e. mean survival time within τ. When proportional hazards fails and HR is hard to interpret, the RMST difference is a more robust, intuitive between-group measure; includes KM curves and a differen…

Is my data safe?

All calculations run entirely in your browser. No data is sent to any server. You can even use the tool offline after the page loads.

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Run RMST now

RMST is the area under the KM curve over [0,τ], i.e. mean survival time within τ. When proportional hazards fails and HR is hard to interpret, the RMST … Computed in your browser — no data uploaded.

Open free tool →

Free to use. No account required. No data uploaded.

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For use by licensed clinicians and clinical researchers. Computed locally in your browser — no data is uploaded. Not a substitute for clinical judgement.