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ICU and Critical Care · Emergency Medicine · Internal Medicine

Sequential Organ Failure Assessment (SOFA) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Respiration: PaO₂/FiO₂ ratio
Coagulation: platelets (×10³/µL)
Liver: bilirubin (mg/dL)
Cardiovascular support

Vasoactive doses are in µg/kg/min; dobutamine is scored at any dose.

Central nervous system: Glasgow Coma Scale
Renal: creatinine or urine output

Result

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Clinical inputs

  • Respiration: PaO₂/FiO₂ ratio
  • Coagulation: platelets (×10³/µL)
  • Liver: bilirubin (mg/dL)
  • Cardiovascular support
  • Central nervous system: Glasgow Coma Scale
  • Renal: creatinine or urine output

Primary source

Vincent JL et al. The SOFA (Sepsis-related Organ Failure Assessment) score. Intensive Care Med (1996)

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