Data on CCA-IMT, Bulb-IMT and on the prevalence of carotid plaques in APS subjects, in APP carriers and in matched controls stratified for the presence of thrombotic manifestations and cardiovascular risk factors, antibody isotype and Systemic Lupus Erythematosus (SLE) or other autoimmune diseases [1]. This evidence concerns the gene APP and systemic lupus erythematosus.