Demographic variables such as gender and age were analyzed as well as positive tests for three HBV serological markers, anti-HBc, anti-HBs and HBsAg as determined by ELISA.
Se analizaron variables demográficas como sexo y edad, así como la positividad a tres marcadores serológicos del VHB anti-HBc, anti-HBs y HBsAg determinados por ELISA.