KLK2 and acute myeloid leukemia: And TT genotypes in codominant and recessive models of KLK2 rs198977 showed an increased the risk of hyperleukocytosis in AML patients (OR = 4.265, 95% CI = 1.402–12.969, p = 0.011; OR = 2.151, 95% CI = 1.245–3.715, p = 0.008; Table 3).