No differences in traditional lipid measures including high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol and triglyceride levels, the PON1 Q192R polymorphism, or RA disease activity measures at baseline including DAS28, ESR, or hsCRP were noted between patients with and without SAD (Table 1). Here, PON1 is linked to rheumatoid arthritis.