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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

    Disease

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    Specialty

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    Chief Complaint

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    Patent Pending

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

    Stratifies severity of Crohn's disease.
    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
    Dr. Richard F. Harvey

    About the Creator

    Richard F. Harvey, MD, is a consultant gastroenterologist at Frenchay Hospital in Bristol, UK. He is also the principal investigator of the Bristol Helicobacter Project. Dr. Harvey’s research focuses primarily on duodenal ulcer epidemiology and helicobacter eradication, and he is best known in the literature as co-creator of the Harvey-Bradshaw Index.

    To view Dr. Richard F. Harvey's publications, visit PubMed

    Are you Dr. Richard F. Harvey? 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. Richard F. Harvey
    Are you Dr. Richard F. Harvey?