Prevalence of hepatitis B virus infection in health checkup participants: a cross-sectional study at University Medical Center, Ho Chi Minh City, Vietnam.

Objectives: Vietnam is one of the countries in highly endemic areas of hepatitis B virus (HBV) infection in the world. Our study aims to determine the prevalence of HBV infection among different age groups of workers who had been included for annual general health checkups.

Methods: This cross-sectional study was conducted at the Health Screening Department, University Medical Center at Ho Chi Minh City, Vietnam, using anonymous data from employees who had health checkups from June 2017 to June 2018.

Updated upper limit of normal for serum alanine aminotransferase value in Vietnamese population.

Background: Alanine aminotransferase (ALT) is a marker of hepatic damage and its range can be affected by viral hepatitis, alcoholic hepatitis and non-alcoholic fatty liver diseases. We aimed to study the factors associated with higher ALT level and update the upper limit of normal (ULN) in the Vietnamese population.

Methods: This cross-sectional study enrolled 8383 adults, aged 18 years and older who visited the Medical Center at Ho Chi Minh City for a health check-up.