Average performance and confidence in the 4 AFC task, for all participants and for participants that performed above chance level. Standard deviations are in parentheses.
All data are shown as mean 1 standard deviation. AFP, a-fetoprotein; ALB, albumin; ALT, alanine aminotransferase; HBV, hepatitis B virus; HCV, hepatitis C virus; PLT, platelet; PT, prothrombin time; T