2×2 table analysis
Enter exposure and outcome labels, choose your study design, then fill in the four cell counts. All measures update instantly.
Study variables
Study design
Observed counts
| Outcome + | Outcome − | Total | |
|---|---|---|---|
| Exposed | 100 | ||
| Unexposed | 100 | ||
| Total | 60 | 140 | 200 |
Association measures
Hypothesis tests
Looking for sensitivity, specificity, PPV, NPV, and likelihood ratios? → Diagnostic accuracy tool