They did not have HBV or HIV
coinfection, nor did any have liver transplant.
Data collected included demographics
, route of transmission, daily consumptions of alcohol, tobacco, caffeine during the 6 months preceding liver biopsy, body mass index, genotype, ALT level at the time of liver biopsy, steatosis and activity grades, as well as fibrosis stage, according to METAVIR.
Daily caffeine consumption was estimated as the sum of mean intakes of coffee, tea and caffeine-containing sodas.