We also found rs4150558 (χ2 test P = 1.24 × 10–5; OR = 4.39, 95%CI:1.37–14.08, P = 0.013) in GTF2H1 were significantly associated with anemia in patients receiving NP regimen (Fig. 1F) (Table 2). This evidence concerns the gene GTF2H1 and anemia (phenotype).