OR2AG1 and myeloid sarcoma: The genetic effect of the ht2 haplotype versus the ht1 haplotype on an increased risk for MS remained significant in men (odds ratio (OR) = 1.50, 95% CI = 1.16 – 1.94), while the effect of ht3 haplotype versus ht1 haplotype remained significant in women (OR = 1.41, 95% CI = 1.00 – 1.97).