AFP and Ascites: These features included AFP as a continuous variable (maximum and average), largest tumor size (minimum, average, and most recent), bilirubin (minimum and average), INR (minimum and average), and ascites on a scale of 1–3 as reported to OPTN, 1 being absent, 2 being slight, and 3 being moderate/large (maximum, average, and most recent) (Table 2).