NCF4 and acute lymphoblastic leukemia: In the rs1883112 polymorphism of the NCF4 gene, it is observed that the heterozygous allele has a risk effect for ALL (OR = 3.1870, CI = 1.8880 to 7.9383 and p = 0.0002), in turn the mutated genotype is associated with a protective effect (OR = 0.26, 0.1248 to 0.5434 and p = 0.0003).