To determine the risk of post-operative mortality for all types of major surgery, especially gastro-intestinal, orthopedic and cardiac surgery (includes open-heart procedures), please enter the following variables:

(use 1-5)
(mg/dl)
(mg/dl)
What is the etiology of cirrhosis?

Probability of Mortality

7 days 30 days 90 days 1 year 5 years
% % % % %

Disclaimer

This is the original version of the MELD scale as developed by investigators at Mayo Clinic. A number of modification have been made by UNOS to the model for its implementation in organ allocation for liver transplantation. The UNOS-modified version is also available on this site under MELD, UNOS modification.

American Society of Anesthesiologists (ASA) Physical Status Classification

  • Physical status I: Healthy patient
  • Physical status II: Systemic disease without functional limitation
  • Physical status III: Severe systemic disease with definite functional limitation
  • Physical status IV: Patient with severe systemic disease that is a constant threat to life
  • Physical status V: Moribund patient unlikely to survive 24 hours with or without an operation