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Table 1 Calculation of the Child-Turcotte Pugh + lactate (CTP + L) score

From: Validation and analysis of prognostic scoring systems for critically ill patients with cirrhosis admitted to ICU

Variable 1 Point 2 Points 3 Points
Bilirubin (μmol/L) <34 34 50 >50
Albumin (g/L) >35 28–35 <28
INR (or PT ratio) <1.7 1.71–2.30 >2.3
Ascites grade None Mild Severe
Encephalopathy grade None Grade I/II Grade III/IV
Serum arterial lactate Addition of value in mmol/L to score obtained from above categories
  1. 1, 2 or 3 points are awarded for the five categories below, which form the CTP score. The serum arterial lactate concentration is added to the CTP score to form the CTP + L score. INR international normalized ratio, PT prothrombin time