For women, healthy control (1.230 ± 0.062 g/L) had significantly higher serum apoA-I levels than SLE patients (0.897 ± 0.068 g/L; P < 0.001), but significantly lower than female MS patients (1.516 ± 0.057 g/L; P = 0.001). This evidence concerns the gene APOA1 and systemic lupus erythematosus.