CXCL8 and leukemia: The dominant inheritance model also showed a strong correlation between the IL-8 rs4073 TT and (TA+AA) genotypes and leukemia susceptibility, with an OR = 3.20 (95%) CI (1.73 to 5.92), RR= 1.62 (95%) CI 1.29 to 2.04) and p < 0.0002.