<prompt> Select the wrong statement with respect to the variable required to calculate the MELD scoreThe prothrombin time expressed as international normalized Ratio INRSerum albuminSerum billrubinSerum creatinine  <response>: MELD scoring system Model for End stage Liver Disease by Dr Patrick Kamathis a scoring system for assessing the severity of chronic liver disease. This score is now used by the United Network for Organ Sharing UNOS and Eurotransplant for prioritizing allocation of liver transplants. It is done using PT INR, serum creatinine and serum bilirubin.It is calculated according to the following formula: MELD 3.78xln 11.2xln 9.57xln 6.43 In interpreting the MELD Score in hospitalized patients, the 3 month moality is: 40 or more -- 71.3 moality 30-39 -- 52.6 moality 20-29 -- 19.6 moality 10-19 -- 6.0 moality 9 -- 1.9 moalityReference : page 617 SRBs manual of surgery 5th edition 