GSTM1 and bone marrow disorder: We found a slight decrease in Hb (p = 0.008), RBCs (p = 0.013), WBCs (p = 0.004) and PLTs (p < 0.001) in the SDRAI group, while in the LDRAI group only WBCs showed a minimal decrease (p = 0.027) with any occurrence of overt bone-marrow disease.