Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Mortality
RCT	50 people with established paracetamol-induced liver failure In review	Mortality 21 days 13/25 (52%) with acetylcysteine 20/25 (80%) with placebo (5% dextrose)	ARR 28% 95% CI 3% to 53% P = 0.037 Possible bias due to sealed envelope allocation; for full details, see Further information on studies	Effect size not calculated	acetylcysteine