Abstract
Studies have shown that anticyclic citrullinated peptide antibody (anti-CCP) titers can be useful in the diagnosis of rheumatoid arthritis (RA). We evaluate the association between anti-CCP antibody titers and the demographic, clinical, and laboratory characteristics of RA patients. Moreover, we explore whether there is any relation between joint destruction and demographic and clinical characteristics of RA patients. One hundred and four RA patients with positive anti-CCP titers were compared to 104 RA patients with negative anti-CCP titers. The activity of RA was evaluated using the Disease Activity Score 28 (DAS28). Joint destruction was assessed in the subjects by X-rays of the wrists. Blood samples were collected for assessment of anti-CCP, rheumatoid factor (RF), and erythrocyte sedimentation rate. Forty-eight (23.0%) males and 160 (76.9%) females were included in this study. RF, DAS28, and joint destruction were significantly different between patients with and without anti-CCP (P < 0.0001). DAS28, duration of disease, hospitalizations, and occupation differed significantly between patients with and without joint destruction (P < 0.0001). This study indicates that anti-CCP is correlated with a high disease activity index and more joint destruction in RA patients and it may be used as a prognostic factor for RA.
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