Higher serum IgA anti-MAA concentration was modestly associated with increased CAC (Rho 0.18, P = 0.02), increased insulin resistance as defined by HOMA (Rho 0.18, P = 0.03), and lower HDL-particle number (Rho − 0.20, P = 0.01) (Table 2). Here, CD79A is linked to Insulin resistance.