Table 4: Subgroups based on age of patients with ALL and AML, compared with umbilical cord blood samples as a control group.

AlleleALL patientsControls, OR95% CI
g. f. g. f.

, ≤18 years old
 B*39470.12632540.17370.010.630.43–0.93
 B*40560.15051440.09840.0021.761.20–2.56
, >18 years old
 B*3950.09252540.1737NS
 B*4040.07401440.0984NS

AlleleAML patientsControls, OR95% CI
g. f. g. f.

, ≤18 years old
 B*1510.00961350.09230.0020.090.0–0.59
 B*2750.0480190.01290.0043.991.24–11.9
 B*4050.04801440.0984NS
, >18–59 years old
 B*1501350.0923NS
 B*2730.0535190.01290.014.51.0–17.5
 B*4030.05351440.0984NS
, >59 years old
 B*1510.10001350.0923NS
 B*2710.1000190.01290.019.370.18–99.9
 B*4001440.0984NS

ALL: acute lymphoid leukemia; AML: acute myeloid leukemia; g. f.: gene frequency; OR: odds ratio; CI: confidence interval; NS: not significant.