MELDNa score
Serum creatinine
float
Serum bilirubin
International Normalized Ratio
3.8*ln(bilirubin[mg/dL]) + 11.2*ln(INR) + 9.6*ln(creatinine [mg/dL]) + 6.4. The score is rounded to the nearest integer.
integer
The serum sodium concentration (Na) is bound between 125 and 140 mmol per liter.
MELDNa = MELD - Na - [0.025 x MELD x (140 - Na)] + 140. The score is rounded to the nearest integer.