Table 3 ICU data collected

• Demographic data

• Baseline data

• PRISM III score

• PELOD-2 score

• Clinical data for organ dysfunctions

• Red blood cell transfusion information

• Mechanical ventilation

• Evidence of infection

 ◦ nosocomial pneumonia

 ◦ blood stream infection

 ◦ sepsis

 ◦ severe sepsis

 ◦ septic shock

• Acute respiratory distress syndrome

• Deep venous thrombosis

• Any transfusion reaction

• Critical care interventions

 ◦ length of mechanical ventilation

 ◦ hemodynamic support

 ◦ renal replacement therapy

 ◦ fluid balance per day

 ◦ proportion of patients receiving erythropoietin

 ◦ vasoactive drugs

 ◦ mild to moderate hypothermia treatment

 ◦ systemic corticosteroids

 ◦ insulin administration

 ◦ starch colloids and/or gelatins

 ◦ plasmapheresis

 ◦ Molecular Adsorbent Re-Circulating System (MARS)

• Tranfusion interventions other than RBC administration (use and volume per kg)

 ◦ frozen plasma

 ◦ platelets

 ◦ cryoprecipitate

• Discharge status

• Mortality status

• Readmission information