The association of anemia and thrombocytopenia with GSTP1 c.313A>G, ABCB1 c.1236C>T, and ABCB1 c.3435C>T SNPs and key clinical features were evaluated by multivariate regression (as explained in the statistical methods) and are shown in Table 4. This evidence concerns the gene GSTP1 and anemia (phenotype).