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Calculator: Sequential Organ Failure Assessment (SOFA) score in adults


Calculator: Sequential Organ Failure Assessment (SOFA) score in adults

 
Lung: Respiration

PaO2/FiO2 >400 (0 points)

PaO2/FiO2 301 to 400 (1 point)

PaO2/FiO2 ≤300 (2 points)

PaO2/FiO2 101 to 200 with ventilatory support (3 points)

PaO2/FiO2 ≤100 with ventilatory support (4 points)
Coagulation: Platelets

>150 x103/mm3 (0 points)

101 to 150 x103/mm3 (1 point)

51 to 100 x103/mm3 (2 points)

21 to 50 x103/mm3 (3 points)

≤20 x103/mm3 (4 points)
Liver: Bilirubin

<1.2 mg/dL (20 mcmol/L) (0 points)

1.2 to 1.9 mg/dL (20 to 32 mcmol/L) (1 point)

2 to 5.9 mg/dL (33 to 101 mcmol/L) (2 points)

6 to 11.9 mg/dL (102 to 204 mcmol/L) (3 points)

>12 mg/dL (>204 mcmol/L) (4 points)
Cardiovascular: Blood pressure

Hypotension absent (0 points)

Mean arterial pressure <70 mmHg (1 point)

On dopamine ≤5 mcg/kg/min or any dobutamine (2 points)

On dopamine >5 mcg/kg/min, epinephrine ≤0.1 mcg/kg/min, or norepinephrine ≤0.1 mcg/kg/min (3 points)

On dopamine >15 mcg/kg/min, epinephrine >0.1 mcg/kg/min, or norepinephrine >0.1 mcg/kg/min (4 points)
Brain: Glasgow coma score

15 (0 points)

13 to 14 (1 point)

10 to 12 (2 points)

6 to 9 (3 points)

<6 (4 points)
Kidney: Renal function

Creatinine <1.2 mg/dL (110 mcmol/L) (0 points)

Creatinine 1.2 to 1.9 mg/dL (110 to 170 mcmol/L) (1 point)

Creatinine 2 to 3.4 mg/dL (171 to 299 mcmol/L) (2 points)

Creatinine 3.5 to 4.9 mg/dL (300 to 440 mcmol/L) or urine output 200 to 500 mL/day (3 points)

Creatinine >5 mg/dL (440 mcmol/L) or urine output <200 mL/day (4 points)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 
Notes
  • Vasoactive drug dose criteria based on administration for at least 1 hour.
  • The SOFA score helps predict morbidity rather than mortality, though individuals with a score of 15 or more had a mortality rate of 90%.1
  • Refer to the UpToDate topic review on predictive scoring systems in the intensive care unit for information on interpreting the SOFA score.
  • PaO2: arterial partial pressure of oxygen; FiO2: fractional inspired percentage of oxygen.

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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