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Probability Calculator

See also: Statistical Explanation of the Probability Calculator

Patient Information:
Patient has possible ECM.
Results of ELISA test: positive
Pre-test probability: 50

Post-test probability: 89.3


Enter patient data

Patient has:

Results of ELISA test:

Pre-test probability (0-100):

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Have questions about the new ABIM MOC Program?

Have questions about the new ABIM MOC Program?

ACP explains the ABIM requirements and offers many free solutions to earn MOC points.

One Click to Confidence - Free to members

One Click to Confidence - Free to members ACP Smart Medicine is a new, online clinical decision support tool specifically for internal medicine. Get rapid point-of-care access to evidence-based clinical recommendations and guidelines. Plus, users can easily earn CME credit. Learn more