The model constructed in this study was LogitP = −3.744 + 1.387 × (hormone use) + 2.011 × (neutropenia or agranulocytosis) + 1.185 × (Hb < 90 g/L) + 1.180 × (CRP > 15 mg/L). Here, GSTM1 is linked to Decreased total neutrophil count.