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    Chief Complaint


    Organ System


    Patent Pending

    ASAS Criteria for Axial Spondyloarthritis (SpA)

    Diagnoses axial spondyloarthritis according to Assessment of Spondyloarthritis International Society (ASAS) criteria.
    When to Use

    Patients with lower back pain in whom spondyloarthritis is in the differential diagnosis.

    Entry Criterion

    Diagnostic Result:

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    Next Steps
    Creator Insights
    Dr. Martin Rudwaleit

    About the Creator

    Martin Rudwaleit, MD, is a rheumatologist at University Hospital Charité, Campus Benjamin Franklin, in Berlin, Germany. He is the principal coordinator of the German Spondyloarthritis Inception Cohort, a prospective longitudinal study on early spondyloarthritis. Dr. Rudwaleit's research interests include clinical aspects of ankylosing spondylitis and other spondyloarthritides.

    To view Dr. Martin Rudwaleit's publications, visit PubMed

    Are you Dr. Martin Rudwaleit? 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. Martin Rudwaleit
    Are you Dr. Martin Rudwaleit?