Odds Ratio Calculator
This calculator is designed for healthcare professionals and researchers who need to compute the odds ratio for diagnostic tests. It helps in determining the strength of association or non-independence between two binary data values.
Calculate Odds Ratio
Results
Data Source and Methodology
All calculations are based on the standard odds ratio formula, widely recognized in medical statistics and public health research. Please refer to authoritative medical literature for further details.
The Formula Explained
Odds Ratio (OR) = (a/c) / (b/d)
Glossary of Terms
- a: Cases with exposure and outcome
- b: Cases with exposure but no outcome
- c: Cases without exposure but with outcome
- d: Cases without exposure and without outcome
Frequently Asked Questions (FAQ)
What is an Odds Ratio?
An odds ratio is a measure of association between an exposure and an outcome. It represents the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring without that exposure.
How is the Odds Ratio used?
Odds ratios are often used in case-control studies, clinical trials, and epidemiological research to determine the risk factor or efficacy of an intervention.