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Age specific risk of liver failure (A) and death or liver transplantation (OLT) (B) among 746 patients transferred with signs of severe paracetamol intoxication divided into four subgroups by regular alcohol abuse (absent or present) and time of N-acetylcysteine treatment (early (that is, <24 hours) or late (that is, >24 hours)). Whiskers indicate 95% confidence interval.
