In T1DM (n = 23), mean non-HDL-C was 131 (29) mg/dl, and apoB 91 (21) mg/dl, whereas in T2DM (n = 22), mean non-HDL-C was 155 (38) mg/dl, and apoB 106 (25) mg/dl. This evidence concerns the gene APOB and type 1 diabetes mellitus.