CXCL8 and leukemia: Our research found a strong correlation between the IL-8 rs4073 TT genotype and leukemia vulnerability in the codominant model, with an OR of 2.25 (95%) CI = (1.1433 to 4.434), RR = 1.35 (95%) CI = (1.0562 to 1.738) and p < 0.018 (Table 6).