Diagnostic criteria for undifferentiated peripheral spondyloarthropathy
Are there diagnostic criteria to identify patients with an undifferentiated peripheral spondyloarthropathy?
The Assessment of SpondyloArthritis International Society classification criteria for peripheral spondyloarthritis have a sensitivity of 78% and specificity of 83% for detecting a patient who has a peripheral spondyloarthropathy. They are:
|Peripheral arthritis (asymmetric lower extremity) or enthesitis or dactylitis||OR||Peripheral arthritis (asymmetric lower extremity) or enthesitis or dactylitis|
|Plus, one of the following:|
HLA-B27; genitourinary/gastrointestinal infection; psoriasis; inflammatory bowel disease; or magnetic resonance imaging showing sacroiliitis.
|Plus, two of the following: arthritis; enthesitis; dactylitis; inflammatory back pain; family history of a spondyloarthropathy.|