(c) Revised Wilson prognostic index (RWPI) [15]

Score	Bilirubin (μmol/L)	INR	AST (IU/L)	WCC (109/L)	Albumin (g/L)
0	0–100	0–1.29	0–100	0–6.7	>45
1	101–150	1.3–1.6	101–150	6.8–8.3	34–44
2	151–200	1.7–1.9	151–300	8.4–10.3	25–33
3	201–300	2.0–2.4	301–400	10.4–15.3	21–24
4	≥301	>2.5	>401	>15.4	<20
Patients with a RWPI ≥11 needed urgent liver transplantation