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Clinical Calculator
Critical Care V1.0
SOFA
Score
Sequential Organ Failure Assessment — ICU Organ Dysfunction Quantification
Primary Reference
Vincent JL, et al.
Intensive Care Med 1996; 22:707–710
Organ System Assessment
1. Respiration (PaO₂/FiO₂)
≥400 (0)
300–399 (1)
200–299 (2)
100–199 + ventilated (3)
<100 + ventilated (4)
Use lowest PaO₂/FiO₂ ratio
2. Coagulation (Platelets × 10³/µL)
≥150 (0)
100–149 (1)
50–99 (2)
20–49 (3)
<20 (4)
3. Liver (Bilirubin mg/dL)
<1.2 (0)
1.2–1.9 (1)
2.0–5.9 (2)
6.0–11.9 (3)
≥12.0 (4)
4. Cardiovascular
MAP ≥70, no vasopressors (0)
MAP <70, no vasopressors (1)
Dopa ≤5 or dobutamine any (2)
Dopa >5 or epi/norepi ≤0.1 (3)
Dopa >15 or epi/norepi >0.1 (4)
MAP and vasopressor requirements
5. CNS (Glasgow Coma Scale)
GCS 15 (0)
GCS 13–14 (1)
GCS 10–12 (2)
GCS 6–9 (3)
GCS <6 (4)
6. Renal (Creatinine mg/dL or UO)
Cr <1.2 (0)
Cr 1.2–1.9 (1)
Cr 2.0–3.4 (2)
Cr 3.5–4.9 or UO <500 mL/d (3)
Cr ≥5.0 or UO <200 mL/d (4)
Calculate SOFA Score
Analysis Required
Enter patient parameters to calculate
organ dysfunction assessment.
—
Points
Organ Dysfunction Assessment
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—
Severity
—
Predicted Mortality
—
Low 0–6
Moderate 7–12
Severe ≥13
Score Breakdown
Clinical Implication
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References & Original Research
↕ Hover to expand
1
Vincent JL, Moreno R, Takala J, et al.
The SOFA score to describe organ dysfunction/failure.
Intensive Care Med 1996;22:707–710.
View ↗
2
Singer M, et al.
Sepsis-3: SOFA ≥2 defines sepsis when infection suspected.
JAMA 2016;315:801–810.
View ↗