Skip to main content
MedCalc
Mail a PDF copy of this page to:
(Your email address will not be added to a mailing list)
working
Close
Download our user-friendly MedCalc statistical software for your Windows desktop. Download

Free statistical calculators

Odds ratio calculator

Subjects with positive (bad) outcome
:  a
:  c
Subjects with negative (good) outcome
:  b
:  d

For details, see the MedCalc manual: Odds ratio(2x2 table).

See also Relative risk & Odds ratio computational notes.

How to cite this page

  • MedCalc Software Ltd. Odds ratio calculator. https://www.medcalc.org/calc/odds_ratio.php (Version 23.2.1; accessed April 1, 2025)
Link to this page
Mail me a PDF copy
Privacy Contact Site map
MedCalc Software Ltd Digimizer
© 2025 MedCalc Software Ltd
Link to this page

https://www.medcalc.org/calc/odds_ratio.php

© 2025 MedCalc Software Ltd