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Table 1 Child-Pugh classification slightly modified.

From: Blood ammonia levels in liver cirrhosis: a clue for the presence of portosystemic collateral veins

Clinic and laboratory data Points for increasing abnormality1
  1 2 3
HE (grade 2 ) None SHE (0), 1–2 3–4
Ascites None at US Mild or controlled by diuretics Present despite diuretics
PT (% of activity) 3 > 70 70–40 < 40
Albumin (g/dL) > 3.5 2.8–3.5 < 2.8
Bilirubin (mg/dL) < 2 2–3 > 3
  1. 1Scoring system: 5–6 points, grade A; 7–9 points, grade B; 10–15 points, grade C. 2HE: hepatic encephalopathy; Grade 0: sub-clinical hepatic encephalopathy, SHE, unravelled by Retain tests A or B; Grade 1: anxiety, irritability, depression, impaired concentration, sleep disturbances; Grade 2: disorientation, poor short-term memory, disinhibited behavior, drowsiness; Grade 3: somnolence, bizarre behavior, confusion, amnesia, paranoia; Grade 4: Coma. 3PT, prothrombin time, also expressed in seconds prolonged < 4; 4–6; > 6, or as INR < 1.7; 1.7–2.3; > 2.3. US: ultra sound