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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

    MuLBSTA Score for Viral Pneumonia Mortality

    Predicts 90-day mortality in patients with viral pneumonia.
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    IMPORTANT

    Launched during COVID-19 crisis. Not externally validated. Use with caution. COVID-19 Resource Center.

    Tips for COVID-19: Use after diagnosis to determine dispo. Specific for Viral PNA and similar inputs as known COVID-19 mortality risk factors, but not externally validated.

    When to Use
    Pearls/Pitfalls
    Why Use

    In patients with viral pneumonia, to predict clinical characteristics that affect mortality.

    • Designed specifically for viral pneumonia, which may account for up to 29% of CAP (Jennings 2008).

    • Virus-associated pneumonia is defined as lower respiratory infection with a positive PCR for viral antigen.

    • This single-center, retrospective, not-externally-validated design may lead to bias and unknown applicability and generalizability.

    • If used on COVID-19 PNA patients, keep in mind that age has a much stronger odds ratio for increasing mortality risk in COVID-19 patients than with other viral PNA patients.
    • Predicts risk factors for mortality that may be unique to viral PNA.

    • The MuLBSTA score examines a patient population with similar characteristics to those with COVID-19 PNA, and has inputs similar to risk factors for mortality seen in the initial COVID-19 patient cohorts out of China.

    No
    0
    Yes
    +5
    No
    0
    Yes
    +4
    No
    0
    Yes
    +4
    Non smoker
    0
    Prior smoker
    +2
    Active smoker
    +3
    No
    0
    Yes
    +2
    No
    0
    Yes
    +2
    Confirmed positive
    Suspected
    Unlikely
    Confirmed negative

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

    • Threshold for disposition may change during resource-limited situations such as the current COVID-19 outbreak. 

    • Take into consideration that the upper limit of the “low risk” group as indicated in the original study still carries a relatively high mortality rate (e.g. 11 points = 12.27% mortality).

    Critical Actions

    If applying to a patient with potential COVID-19, use this score in conjunction with clinical suspicion and risk factors - particularly advanced age and comorbidities.

    Content Contributors
    About the Creator
    Dr. Xinxin Zhang
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