From: Serum sodium based modification of the MELD does not improve prediction of outcome in acute liver failure
Score
Formula
MELD
MELD = 10 0.957 ln creatinine mg / dl + 0.378 ln total bilirubin mg / dl + 1.12 ln INR + 0.643
MELDNa
MELDNa = MELD − Na − [0.025 × MELD × (140 − Na)] + 140
UKELD
UKELD = 5.395 xln INR + 1.485 xln creatinine μmol / l + 3.13 xln total bilirubin μmol / l – 81.565 xln Sodium mmol / l + 435