Table 2

 Mortality, advanced encephalopathy, and complications in acute liver failure patients as a function of plasma ammonia levels

ParameterAmmonia <124 μmol/l (n = 38)Ammonia ⩾124 μmol/l (n = 42)p Value
Values are number (%).
Mortality9 (23.7)33 (78.6)<0.001
Renal failure1 (2.7)10 (23.3)0.009
Ventilation10 (27.0)30 (69.8)<0.001
Infection19 (51.4)28 (65.1)0.212
Cerebral oedema8 (21.6)20 (46.5)0.020
Encephalopathy grade (3/4)23 (62.2)35 (81.4)0.055
Seizures3 (8)15 (35)0.006