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Table 5 additional feature is past or present synovitis diagnosed by a physician; the same caller flag counts toward arm B. true or false. magent does not examine joints.","type":"boolean"},"dactylitis":{"description":"Current dactylitis as assigned by the caller (Rudwaleit 2011 set 2D entry). Table 5 additional feature is past or present dactylitis diagnosed by a physician; the same caller flag counts toward arm B. true or false. magent does not examine digits.","type":"boolean"},"enthesitis":{"description":"Current enthesitis as assigned by the caller (Rudwaleit 2011 set 2D entry). 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Required: current arthritis, enthesitis, or dactylitis. Arm A: ≥1 of psoriasis, IBD, preceding infection, HLA-B27, uveitis, sacroiliitis on imaging. Arm B: ≥2 of arthritis, enthesitis, dactylitis, IBP in the past, family history of SpA. Not a diagnosis. Not ASAS 2009 axial. Not ESSG/Amor. magent does not examine joints or assay HLA-B27.","last_updated":"2026-09-28T14:49:12.232Z","schemes":["exact"]}