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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    Denver HIV Risk Score

    Predicts probability of undiagnosed HIV infection.
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    <22
    0
    22–25
    +4
    26–32
    +10
    33–46
    +12
    47–54
    +10
    55–60
    +4
    >60
    0
    Female
    0
    Male
    +21
    Black
    +9
    Hispanic
    +3
    American Indian, Alaska Native, Native Hawaiian, non-Hawaiian Pacific Islander, or other
    0
    White
    0
    Sex with a male
    +22
    Receptive anal intercourse
    +8
    Vaginal intercourse
    -10
    None of the above
    0
    Injection drug use
    +9
    Past HIV testing
    -4
    Neither
    0

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

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    Formula

    Addition of the selected points:

    Variable

    Points

    Age, years

    <22

    0

    22–25

    4

    26–32

    10

    33–46

    12

    47–54

    10

    55–60

    4

    >60

    0

    Gender

    Female

    0

    Male

    21

    Race/ethnicity

    Black

    9

    Hispanic

    3

    American Indian, Alaska Native, Native Hawaiian, non-Hawaiian Pacific Islander, or other

    0

    White

    0

    Sexual practices*

    Sex with a male

    22

    Receptive anal intercourse

    8

    Vaginal intercourse

    -10

    None of the above

    0

    Other risk factors

    Injection drug use

    9

    Past HIV testing

    -4

    Neither

    0

    *Choose practice that yields the highest score, e.g. if patient engages in both vaginal and receptive anal intercourse, choose the latter to assign 8 points.

    Facts & Figures

    Interpretation:

    Score

    Risk

    HIV prevalence (95% CI)

    <20

    Very low

    0.31% (0.20-0.45)

    20-29

    Low

    0.41% (0.29-0.57)

    30-39

    Moderate

    0.99% (0.63-1.47)

    40-49

    High

    1.59% (1.02-2.36)

    ≥50

    Very high

    3.59% (2.73-4.63)

    Dr. Jason S. Haukoos

    About the Creator

    Jason S. Haukoos, MD, is the research director of the emergency medicine department at Denver Health Medical Center. He is also an associate professor of emergency medicine at the University of Colorado Denver. Dr. Haukoos' primary research is focused on hospital and infectious disease epidemiology, and HIV/AIDS screening.

    To view Dr. Jason S. Haukoos's publications, visit PubMed

    About the Creator
    Dr. Jason S. Haukoos