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.
Closed-loop results for a select subject. The top and bottom edges of the boxes are the first and third quartiles, and the line inside the box is the median. The whisker ends represent minimum and maximum values, and plus signs (+) indicate mean values.
