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.
Population analysis. (A) Population presented by gender. X-axis refers to year and y-axis refers to number of patients. Blue and gray stars indicates statistical significance at the level of 0.05; (B) population presented by nationality. x-axis refers to year and y-axis refers to number of patients. Blue and grey stars indicates statistical significance at the level of 0.05.
