Grade A: 5-6 points; Expected survival: 15-20 years, perioperative mortality rate for abdominal surgery: 10%
Grade B: 7-9 points; Indication for transplant evaluation, perioperative mortality rate for abdominal surgery: 30%
Grade C: ≥10 points; Expected survival: 1-3 years, perioperative mortality rate for abdominal surgery: 82%