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.
Temporal trends in age-adjusted incidence rates of anal intraepithelial neoplasia 3 are shown for 466 men and 853 women in the San Francisco/Oakland Cancer Registry between 2000 and 2009. APC indicates annual percent change. Triangles represent observed rates and the solid line represents the modeled rates based on log-linear regression. The asterisk indicates P <.05.
