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      Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm

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    Patent Pending

    Manning Criteria for Diagnosis of Irritable Bowel Syndrome (IBS)

    Determines likelihood of irritable bowel syndrome diagnosis based on clinically significant criteria.
    When to Use
    Pearls/Pitfalls
    Why Use

    Patients being evaluated for possible IBS.

    • The Manning Criteria were developed through patient survey and follow-up.
    • They differentiate patients with organic and non-IBS conditions.

    Points to keep in mind:

    • Studies have found highly variable diagnostic performance of the criteria.

    The symptoms that define IBS are subjective and self-reported, making a diagnostic classification system helpful. Moreover, there is evidence to support the notion that patients meeting criteria may be more likely to respond to some therapies.

    3+ required for positive diagnosis (and 0 red flags)

    Red Flag Signs

    If any are present, IBS is not likely

    Diagnostic Result:

    Please fill out required fields.

    Next Steps
    Evidence
    Creator Insights
    Dr. A. P. Manning

    About the Creator

    A. P. Manning, MD, is a physician at the Bristol Royal Infirmary in the United Kingdom. He published the derivation study for the Manning Criteria on IBS diagnosis during his time as a research fellow at Duke University.

    To view Dr. A. P. Manning's publications, visit PubMed

    Are you Dr. A. P. Manning? Send us a message to review your photo and bio, and find out how to submit Creator Insights!
    MDCalc loves calculator creators – researchers who, through intelligent and often complex methods, discover tools that describe scientific facts that can then be applied in practice. These are real scientific discoveries about the nature of the human body, which can be invaluable to physicians taking care of patients.
    About the Creator
    Dr. A. P. Manning
    Are you Dr. A. P. Manning?