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.
Histogram demonstrating absolute volume difference between arms for 677 patients at pre-operative measurement. The black area corresponds to a difference of greater than 200 mL, and the gray area corresponds to a difference of greater than 150 mL
