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Calculator: Child Pugh score for severity of liver disease in adults (conventional units)*


Calculator: Child Pugh score for severity of liver disease in adults (conventional units)*

 
Encephalopathy

None (1 point)

Grade 1: Altered mood/confusion (2 points)

Grade 2: Inappropriate behavior, impending stupor, somnolence (2 points)

Grade 3: Markedly confused, stuporous but arousable (3 points)

Grade 4: Comatose/unresponsive (3 points)
Ascites

Absent (1 point)

Slight (2 points)

Moderate (3 points)
Bilirubin

<2 mg/dL (1 point)

2 to 3 mg/dL (2 points)

>3 mg/dL (3 points)
Albumin

>3.5 g/dL (1 point)

2.8 to 3.5 g/dL (2 points)

<2.8 g/dL (3 points)
Prothrombin time prolongation

Less than 4 seconds above control/INR <1.7 (1 point)

4 to 6 seconds above control/INR 1.7 to 2.3 (2 points)

More than 6 seconds above control/INR >2.3 (3 points)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

Child Pugh score interpretation

 
5 to 6 points: Child class A
7 to 9 points: Child class B
10 to 15 points: Child class C

 
Notes
  • The Child Pugh score is a modification of the Child Turcotte score. The terms Child Pugh classification and Child Turcotte Pugh classification are used interchangeably by some clinicians.
  • Please refer to appropriate UpToDate topic reviews for further information.
  • * This calculator uses conventional units (also known as US units and gravimetric units) as the default for inputs. Do not use this calculator if you are using SI units (Système international d'unités); please refer instead to the SI units version of this calculator.

 
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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