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

Calculator: Child Pugh score for severity of liver disease in adults (SI 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
		<34.2 mcmol/L (1 point)
		34.2 to 51.3 mcmol/L (2 points)
		>51.3 mcmol/L (3 points)
Albumin
		>35 g/L (1 point)
		28 to 35 g/L (2 points)
		<28 g/L (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 SI units (Système international d'unités) as the default for inputs. Do not use this calculator if you are using conventional units (also known as US units and gravimetric units); please refer instead to the conventional units version of this calculator.

References

Pugh RN, Murray-Lyon IM, Dawson JL, et al. Transection of the oesophagus for bleeding oesophageal varices. Br J Surg 1973; 60:646.
Child CG, Turcotte JG. The Liver and Portal Hypertension, WB Saunders Co 1964.
Trey C, Burns DG, Saunders SJ. Treatment of hepatic coma by exchange blood transfusion. NEJM 1966; 274:473.

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.

Legal Notices and Disclaimer

All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.

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