How to use
- Enter event counts and totals for the exposed and unexposed groups.
- Calculate to review each group risk, attributable risk, and attributable fraction.
- Read the direction first, then the fraction.
Wave 13 clinical bridge
Exposed vs unexposed risk
The share URL stores only decimal settings.
Where this fits
Use this page when you want an absolute exposure-attributed gap and a fraction of exposed-group risk. Risk difference is the simpler signed absolute gap. Relative risk vs odds ratio adds ratio-based interpretation.
FAQ
What does this page calculate?
It compares exposed and unexposed groups and reports each group risk, attributable risk, and attributable fraction.
How is attributable risk defined here?
This page uses exposed risk minus unexposed risk, so a positive value means higher risk in the exposed group.
What is attributable fraction?
It is the fraction of risk in the exposed group that can be attributed to the exposure under the assumptions in the data.
Does the share URL include my counts?
No. The share URL stores only decimal settings. Count inputs stay in your browser.