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    Patent Pending

    PEDIS Score for Diabetic Foot Ulcers

    Predicts 6-month risk of amputation and mortality in diabetic foot ulcers.
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    INSTRUCTIONS

    Use in an inpatient setting in patients with diabetic foot ulcer of any duration. Do not use in patients with secondary diabetes or those with foot ulcers caused by autoimmune disease or malignancy.

    When to Use
    Why Use
    • Hospitalized patients with diabetic foot ulcer of any duration.
    • Do not use in patients with secondary diabetes or those with foot ulcers caused by autoimmune disease or malignancy.

    Uses more objective findings than previous diabetic wound classification sytems such as the SINBAD and Wagner systems.

    No peripheral arterial disease
    0
    Peripheral arterial disease, no critical limb ischemia
    +1
    Critical limb ischemia
    +2
    Skin intact
    0
    <1 cm²
    +1
    1–3 cm²
    +2
    >3 cm²
    +3
    Skin intact
    0
    Superficial
    +1
    Fascia, muscle, tendon
    +2
    Bone or joint
    +3
    None
    0
    Surface
    +1
    Abscess, fasciitis, and/or septic arthritis
    +2
    Systemic inflammatory response syndrome
    +3
    Sensation intact
    0
    Loss of sensation
    +1

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

    Diabetic foot ulcer management can be complex and should employ a multidisciplinary approach for long-term management, including primary care, endocrinology, wound care specialists, podiatry, etc as necessary.

    Formula

    Addition of the selected points:

    Variable

    Points

    Perfusion

    No peripheral arterial disease

    0

    Peripheral arterial disease, no critical limb ischemia

    1

    Critical limb ischemia

    2

    Extent

    Skin intact

    0

    <1 cm2

    1

    1–3 cm2

    2

    >3 cm2

    3

    Depth*

    Skin intact

    0

    Superficial

    1

    Fascia, muscle, tendon

    2

    Bone or joint

    3

    Infection

    None

    0

    Surface

    1

    Abscess, fasciitis, and/or septic arthritis

    2

    Systemic inflammatory response syndrome

    3

    Sensation

    Sensation intact

    0

    Loss of sensation

    1

    *Evaluate using sterile blunt nasal probe and imaging tests.

    Facts & Figures

    Interpretation:

    PEDIS Score

    Risk of adverse outcome*

    <7

    Low

    ≥7

    High (AUROC 0.95, 82% specific)

    *Nonhealing ulcer, need for amputation, or death.

    Dr. Fengning Chuan

    About the Creator

    Fengning Chuan, MD, is an endocrinologist and researcher at the First Affiliated Hospital of Chongqing Medical University in Chongqing, China. Dr. Chuan’s primary research is focused on treatment of diabetes and infectious diseases.

    To view Dr. Fengning Chuan's publications, visit PubMed