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Gout Diagnosis
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Gout Diagnosis Calculator
ACR/EULAR 2015 classification criteria scoring.
Pattern of Joint Involvement
Other joints (0)
Ankle or midfoot (1)
1st MTP (great toe) (2)
Episode Characteristics (max 3)
None (0)
1 feature (1)
2 features (2)
All 3: erythema, can't bear touch, difficulty walking (3)
Time Course
Not typical (0)
1 typical episode (1)
Recurrent typical episodes (2)
Tophus (clinically evident)
Absent (0)
Present (4)
Serum Urate
(mg/dL)
<4 (−4)
4–<6 (0)
6–<8 (2)
8–<10 (3)
≥10 (4)
Imaging Evidence
Not done/negative (0)
Double contour sign or tophi on imaging (4)
Score
Total Score
—
Classification
—
Score ≥8: Classifies as gout (sensitivity 92%, specificity 89%). Entry: ≥1 episode of swelling/pain in peripheral joint.