STAT4 and myeloid sarcoma: Statistical analysis of the incidence of ON without MS has shown that individuals carrying STAT4 rs10181656, rs7574865, rs7601754, rs10168266 haplotypes C-T-A-T and G-G-A-C were respectively associated with 32.6- and 9-fold increased odds of ON without MS occurrence (OR = 32.55; 95% CI: 3.66–289.72; p = 0.002; OR = 9.05; 95% CI: 1.53–53.35; p = 0.016, respectively) (Table 5).