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SOFA Score Calculator

Health
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Calculates the Sequential Organ Failure Assessment (SOFA) score, which assesses the severity of organ dysfunction in critically ill patients.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter PaO2/FiO2 (mmHg), Platelets (x10^9/L), Bilirubin (mg/dL), Mean Arterial Pressure (MAP) (mmHg), Vasopressors, Creatinine (mg/dL), and Glasgow Coma Scale (GCS) in the units shown.

Step 2

Read Nervous Score, Renal Score, Bilirubin Score, Platelets Score, Respiratory Score, Cardiovascular Score, and Total SOFA Score in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Normal

PaO2/FiO2 (mmHg): 350; Platelets (x10^9/L): 200; Bilirubin (mg/dL): 1; Mean Arterial Pressure (MAP) (mmHg): 70; Vasopressors: None; Creatinine (mg/dL): 1; Glasgow Coma Scale (GCS): 15

Nervous Score: 0; Renal Score: 0; Bilirubin Score: 0; Platelets Score: 0; Respiratory Score: 1; Cardiovascular Score: 0; Total SOFA Score: 1

Mild Dysfunction

PaO2/FiO2 (mmHg): 350; Platelets (x10^9/L): 100; Bilirubin (mg/dL): 1.5; Mean Arterial Pressure (MAP) (mmHg): 70; Vasopressors: None; Creatinine (mg/dL): 1.5; Glasgow Coma Scale (GCS): 13

Nervous Score: 1; Renal Score: 1; Bilirubin Score: 1; Platelets Score: 2; Respiratory Score: 1; Cardiovascular Score: 0; Total SOFA Score: 6

Moderate Dysfunction

PaO2/FiO2 (mmHg): 250; Platelets (x10^9/L): 75; Bilirubin (mg/dL): 3; Mean Arterial Pressure (MAP) (mmHg): 70; Vasopressors: None; Creatinine (mg/dL): 2.5; Glasgow Coma Scale (GCS): 10

Nervous Score: 2; Renal Score: 2; Bilirubin Score: 2; Platelets Score: 2; Respiratory Score: 2; Cardiovascular Score: 0; Total SOFA Score: 10

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Important

Use the result as an estimate and confirm any medical decisions with a qualified professional.