GSTM1 and hydrops fetalis: Age, gender, body mass index (BMI), smoke, DBP, HLP, STK, HF, WBC count, Hb, platelet (PLT), HCO3, Blood pH, Na+, chloride (Cl−), total calcium (tCa++), GLU, AST, creatine kinase (CK), Alb, CRP, troponin I (TnI), and D-dimer were significantly associated with the risk of hospitalization (Supplementary Fig. 5).