Sequential Organ Failure Assessment (SOFA) Score Sequential Organ Failure Assessment (SOFA) Score Calculator Sequential Organ Failure Assessment (SOFA) Score Calculator Parameter Score PaO₂ (mm Hg) FiO₂ (%) On mechanical ventilation No Yes Platelets, ×10³/µL ≥150 100-149 50-99 20-49 <20 Glasgow Coma Scale 15 13-14 10-12 6-9 <6 Bilirubin, mg/dL (μmol/L) <1.2 (<20) 1.2–1.9 (20-32) 2.0–5.9 (33-101) 6.0–11.9 (102-204) ≥12.0 (>204) Mean arterial pressure OR administration of vasoactive agents required No hypotension MAP <70 mmHg DOPamine ≤5 or DOBUTamine (any dose) DOPamine >5, EPINEPHrine ≤0.1, or norEPINEPHrine ≤0.1 DOPamine >15, EPINEPHrine >0.1, or norEPINEPHrine >0.1 Creatinine, mg/dL (μmol/L) (or urine output) <1.2 (<110) 1.2–1.9 (110-170) 2.0–3.4 (171-299) 3.5–4.9 (300-440) or UOP <500 mL/day ≥5.0 (>440) or UOP <200 mL/day Calculate SOFA Score