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The SOFA Score

The Sequential Organ Failure Assessment (SOFA) score is used to assess organ dysfunction and predict mortality in intensive care patients.

PaO₂
Normal 80-100mmHg
 
FiO₂
 
Platelets
Normal 150 - 400 x10³/µL
 
Bilirubin
Normal <1 mg/dL
 
Hypotension
 
Glasgow Coma Scale
 
Creatinine
Normal 50 - 120 µmol/L
 
Urine Output
 
Calculate
 
 
 
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0 1 2 3 4
Respiratory
PaO₂ : FiO₂ ratio
(mmHg)
>400 ≤400 ≤300 ≤200 ≤100
Coagulation
Platelets
(x10³/µL)
>150 ≤150 ≤100 ≤50 ≤20
Liver
Bilirubin
<1.2 1.2 - 1.9 2 - 5.9 6 - 12 >12
Cardiovascular
Hypotension
No hypotension MAP <70mmHg Dop ≤5 or any dub Dop >5,
adr ≤0.1,
norad ≤0.1
Dop >15,
adr >0.1,
norad >0.1
CNS
Glasgow Coma Scale
15 13 - 14 10 - 12 6 - 9 3 - 6
Renal
Creatinine (µmol/L)
Urine output (mL/day)
Cr <106 Cr 106 - 176 Cr 177 - 308 Cr 309 - 441
UO <500
Cr ≥442
UO <500
0 1 2 3 4
Resp
PF ratio
(mmHg)
>400 ≤400 ≤300 ≤200 ≤100
Coag
Platelets
(x10³/µL)
>150 ≤150 ≤100 ≤50 ≤20
Liver
Bilirubin
<1.2 1.2 - 1.9 2 - 5.9 6 - 12 >12
Cardio
BP
Normal BP MAP <70mmHg Dop ≤5 or any dub Dop >5,
adr ≤0.1,
norad ≤0.1
Dop >15,
adr >0.1,
norad >0.1
CNS
Glasgow Coma Scale
15 13 - 14 10 - 12 6 - 9 3 - 6
Renal
Creatinine (µmol/L)
Urine output (mL/day)
Cr <106 Cr 106 - 176 Cr 177 - 308 Cr 309 - 441
UO <500
Cr ≥442
UO <500

MAP: mean arterial pressure, dop: dopamine, dob: dobutamine, adr: adrenaline, norad: noradrenaline
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