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Changes in lipid profiles, Lp(a) lipoprotein, and acute phase reactants are associated with early atherosclerosis in rheumatoid arthritis (RA). The associations of Lp(a) levels with atherosclerotic disorders, diabetes, RA, and renal diseases suggest that Lp(a) might be involved in autoimmune reactions.

Eighty-seven women with RA diagnosed according to American Rheumatism Association criteria (mean age 45.4±9.4 years) were recruited and 50 healthy women (mean age 44±10.7 years) included as a control group. Serum Lp(a), total cholesterol (TC), triglyceride (TG), LDL cholesterol (LDL-C), HDL cholesterol (HDL-C), and C-reactive protein levels were analyzed.

In the RA and C groups, serum Lp(a) levels were 39.2±20.6 mg/dl and 14.8±9.7 mg/dl, respectively (P<0.001). The TC levels …