Sequential Organ Failure Assessment: 0-4 per organ system, total 0-24. A rise of ≥ 2 from baseline with infection = sepsis.
Respiration: PaO₂/FiO₂ (mmHg)
2Coagulation: platelets (×10³/µL)
1Liver: bilirubin (mg/dL)
0Cardiovascular
3CNS: GCS
1Renal: creatinine (mg/dL) or urine output
2SOFA
9 /24
7-11
0-1
2-6
7-11
≥ 12
Formula
resp + coag + liver + cvs + cns + renal
References
Used in
Calculators support, not replace, clinical judgement. Check inputs and units, and confirm doses with your unit protocol.

