Table 1 The recently developed CASPAR (classification criteria for PsA) criteria consist of established inflammatory arthritis, defined by the presence of tender and swollen joints and prolonged morning or immobility-induced stiffness, with a total of at least 3 points from the features listed in this table
From: Role of diagnostic imaging in psoriatic arthritis: how, when, and why
CASPAR criteria [13] | ||
|---|---|---|
Skin psoriasis | Present | 2 points |
Previously present by history | 1 point | |
A family history of psoriasis | 1 point | |
Nail lesions (Onycholysis, pitting) | 1 point | |
Dactylitis (present or past, documented by a rheumatologist) | 1 point | |
Negative rheumatoid factor (RF) | 1 point | |
Juxtaarticular bone formation on radiographs (distinct from osteophytes) | 1 point | |