Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Cases of acute HBV infection in children: distribution of demographic characteristics with corresponding odds ratios (OR) and 95% confidence intervals (CI)
The analyses included nine cases and 773 controls. Percentages were calculated after exclusion of individuals with missing information.
Odds ratios, confidence interval and P values were calculated by taking into account weights in order to adjust for oversampling of men and those aged 20–39 years among controls.
