GSTM1 and hydrops fetalis: Age, sex, race, HF, CKD, CVD, DM, cancer, CLD, HR, MBP, RDW, PLT, Hb, AG, HCO3−, BUN, Na, K, PT, ALT, AST, culture, CRRT, insulin, inotropes, vasopressors, steroids, AKI stage, SOFA, SAPS II