Cox Proportional-Hazards Regression — free, runs in your browser
The workhorse of multivariable survival analysis: assess multiple covariates' effects on survival time, outputting each covariate's hazard ratio HR, 95%… Computed in your browser — no data uploaded.
Open free tool →Runs in your browser
No software installation. Paste your data and get results instantly.
Publication-ready output
Export charts as SVG vector or HD/UHD PNG suitable for journal submission.
Data stays local
Nothing is uploaded. Your patient data never leaves your device.
Common questions
When should I use Cox Proportional-Hazards Regression?
The workhorse of multivariable survival analysis: assess multiple covariates' effects on survival time, outputting each covariate's hazard ratio HR, 95% CI, Wald p-value and the model likelihood-ratio test. Ties handled by Breslow approximation; p…
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.
Run Cox Proportional-Hazards Regression now
The workhorse of multivariable survival analysis: assess multiple covariates' effects on survival time, outputting each covariate's hazard ratio HR, 95%… Computed in your browser — no data uploaded.
Open free tool →Free to use. No account required. No data uploaded.