GSTM1 and benign muscle neoplasm: The EBL (SS, 737.5 cc vs IM, 719.2 cc vs SM, 700.0 cc, p = 0.85), differences of Hb (SS, 1.7 mg/dL vs IM, 2.2 mg/dL vs SM 1.2 mg/dL, p = 0.77), postoperative transfusion rate (SS, 40.0% vs IM, 49.3% vs SM, 1.7%, p = 0.82) were not affected by myoma types.