Add time:07/11/2019         Source:sciencedirect.com

We evaluated the clinical performance of anti-CEP-1 in a Chinese rheumatoid arthritis (RA) cohort. A total of 264 subjects were tested, including 101 RA patients, 38 juvenile idiopathic arthritis (JIA) patients, 46 disease control (DC) and 79 healthy controls (HC). The presence of anti-CEP-1 in patients with RA, JIA, DCs and HC were 61.4%, 13.2%, 15.2% and 5.1%, respectively. Anti-CCP2 demonstrated the highest positive likelihood ratio of 10.11 in the diagnosis of RA, followed by RF (8.88) and anti-CEP-1 (5.82). Anti-CEP-1 positive RA patients displayed significantly higher DAS28 compared to anti-CEP-1 negative RA patients (p = .045). Significant associations were identified between anti-CEP-1 and joint erosions at anti-CEP-1 value of >124.78 U/ml (p = .0026) and between anti-CEP-1 and ILD at anti-CEP-1 value of >185.91 U/ml (p = .0222). Our findings indicate that anti-CEP-1 may not be able to replace anti-CCP2 for routine diagnosis for RA, but they may be helpful for subtyping of the disease.

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