E-value — Unmeasured Confounding — free, runs in your browser
Sensitivity analysis for observational studies: convert RR/OR/HR to the risk-ratio scale and compute how strong an unmeasured confounder (RR) would have… 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 E-value?
Sensitivity analysis for observational studies: convert RR/OR/HR to the risk-ratio scale and compute how strong an unmeasured confounder (RR) would have to be to explain away the association. Gives an E-value for the point estimate and for the CI …
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 E-value now
Sensitivity analysis for observational studies: convert RR/OR/HR to the risk-ratio scale and compute how strong an unmeasured confounder (RR) would have… Computed in your browser — no data uploaded.
Open free tool →Free to use. No account required. No data uploaded.