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Calculator: Mortality risk in postoperative adult patients with cirrhosis (SI units)*


Calculator: Mortality risk in postoperative adult patients with cirrhosis (SI units)*

 
Input
 
Age  
ASA factor Class 3: Systemic disease with significant functional limitation (0)

Class 4: Systemic disease that is a constant threat to life (1)
Bilirubin  
Creatinine  
INR    
Cirrhosis etiology Alcoholic or cholestatic (0)

Viral or other (1)

 
Results
 
Important: Inputs must be complete to perform calculation.

 
 
Mortality 7 days   %
Mortality 30 days   %
Mortality 90 days   %
 

 
 

 
Notes
  • This calculator predicts early and late mortality in patients with cirrhosis undergoing major surgery.
  • By definition, patients with cirrhosis must have an ASA class of 3 or more.
  • Patients with ASA class of 5 should not undergo surgery.
  • ASA: American Society of Anesthesiologists; INR: international normalized ratio; UNOS: United Network for Organ Sharing.
  • * 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.

 
Equations used
 
Risk_score = (Round the following expression to the nearest integer)(10 * ((1.12 * ln(INR)) + (0.378 * ln(Bilirubin / 17.1)) + (0.957 * ln(Creatinine / 88.4)) + (0.643 * Cirrhosis_etiology)))
ExpDays = e((0.02382*(Age-60))+(0.88884*ASA_factor)+(0.11798*(Risk_score-8)))
Mortality_7_days = 100 * (1 - 0.98370ExpDays)
Mortality_30_days = 100 * (1 - 0.93479ExpDays)
Mortality_90_days = 100 * (1 - 0.89681ExpDays)

 

 
Equation parameters, such as ASA factor, have 2 or more discrete values that may be used in the calculation. The numbers in the parentheses, eg, (0), represent the values that will be used.
 

 
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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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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