CASPER Criteria for Psoriatic ArthritisLoading...Current psoriasis, personal history of psoriasis, or family history of psoriasisNone0Personal history of psoriasis+1Family history of psoriasis: psoriasis in a first- or second-degree relative+1Current psoriasis: psoriatic skin or scalp disease present today, diagnosed by a rheumatologist or dermatologist+2Typical psoriatic nail dystrophyNo0Yes+1Rheumatic factor negativeNo0Yes+1Current dactylitis or history of dactylitis recorded by a rheumatologistNo0Yes+1Juxtaarticular new bone formation on hand or foot x-rayNo0Yes+1适用指征洞见与注意事项