Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Sustained virological response
RCT 3-armed trial	491 people with chronic hepatitis C virus (HCV) mixed genotype and persistently normal alanine aminotransferase levels	Proportion of people achieving a sustained virological response (SVR) 30% with peginterferon plus ribavirin for 24 weeks 0% with no treatment Absolute numbers not reported	Significance not assessed
RCT 3-armed trial	491 people with chronic hepatitis C virus (HCV) mixed genotype and persistently normal alanine aminotransferase levels	Proportion of people achieving a sustained virological response (SVR) 52% with peginterferon plus ribavirin for 48 weeks 0% with no treatment Absolute numbers not reported	Significance not assessed