The Cardiovascular
ToolsCalculators

Modified SOFA (mSOFA) score

Resource-light organ-failure score using a single laboratory value for triage.

Modified SOFA (mSOFA) score
Respiration (SpO2/FiO2 ratio)
Liver - scleral icterus/jaundice
Cardiovascular (MAP / vasopressors, mcg/kg/min)
CNS (Glasgow Coma Scale)
Renal (creatinine, mg/dL)
Result0 points

Approximate mortality 4 % (0-7 ~4%, 8-11 ~31%, >11 ~58%).

Estimated mortality
4 %

When to use

  • Rapid organ-failure/triage assessment where full SOFA laboratory panels are impractical (mass-casualty, austere settings).

Formula

Five systems each 0-4: respiration (SpO2/FiO2), liver (scleral icterus), cardiovascular, CNS (GCS), renal (creatinine). Range 0-20; omits coagulation and uses icterus instead of bilirubin.

Pearls and pitfalls

  • Predicts mortality comparably to full SOFA using only creatinine as a laboratory input.

References

  1. Grissom CK, Brown SM, Kuttler KG, et al. Disaster Med Public Health Prep. 2010;4(4):277-84.