This is an unprecedented time. It is the dedication of healthcare workers that will lead us through this crisis. Thank you for everything you do.

      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

    Disease

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    Specialty

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    Chief Complaint

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    Organ System

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    Patent Pending

    Harvey-Bradshaw Index (HBI) for Crohn's Disease

    Stratifies severity of Crohn's disease.
    Favorite
    Why Use
    • Simpler than the CDAI, which requires symptoms over the past 7 days.
    • Shown to have 93% correlation with the CDAI in the original study (Harvey 1980), a figure that has been duplicated in subsequent studies (Gomes 1986).
    Very well
    0
    Slightly below par
    +1
    Poor
    +2
    Very poor
    +3
    Terrible
    +4
    None
    0
    Mild
    +1
    Moderate
    +2
    Severe
    +3
    stools
    None
    0
    Dubious
    +1
    Definite
    +2
    Definite and tender
    +3
    Complications
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1
    No
    0
    Yes
    +1

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

    Treatment decisions should be made on the basis of multiple factors, of which disease severity is one.

    About the Creator
    Dr. Richard F. Harvey
    Are you Dr. Richard F. Harvey?