Patients' demographic data and clinical characteristics according to in-hospital mortality.

Abbreviation: AaDO2, alveolar-arterial oxygen tension difference; AKIN, acute kidney injury network; APACHE II, acute physiology and chronic health evaluation II; CRRT: continuous renal replacement therapies; ECMO: extracorporeal membrane oxygenation; F, female; FiO2, fraction of inspired oxygen; GCS, Glasgow coma scale; Hb, hemoglobin; M, male; MAP, mean arterial pressure; NS, not significant; OSF, organ system failure; PaO2, partial pressure of oxygen; SCr, serum creatinine; SOFA, sequential organ failure assessment; TnI, troponin-I; UO, urine output; WBC, white blood cell count.*, exclude 6 patients under maintenance hemodialysis.