🫀 SOFA Score (Sequential Organ Failure Assessment)
Grade organ dysfunction in critical illness with the SOFA score across six systems.
SOFA Score (Sequential Organ Failure Assessment)
Respiration (PaO₂/FiO₂)
Coagulation (platelets ×10³/µL)
Liver (bilirubin mg/dL)
Cardiovascular
CNS (GCS)
Renal (creatinine mg/dL)
When to use
Track organ failure in the ICU and operationalise the Sepsis-3 sepsis definition.
How it works
0–4 points each for respiration, coagulation, liver, cardiovascular, CNS and renal (max 24). An acute rise of ≥ 2 in suspected infection = sepsis.
Key points
- Higher and rising scores predict higher mortality.
- Sepsis-3: acute ΔSOFA ≥ 2 defines sepsis.
- Cardiovascular item uses vasopressor doses (µg/kg/min).
References
Decision support for licensed clinicians only; not a substitute for clinical judgement, diagnosis or local protocols.