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.
Radiotracer uptake in different regions of the aorta. Mean tissue-to-background ratio (red) and aortic microcalcification activity (blue) in the regions of the abdominal aorta and the thoracic aorta. AMA, aortic microcalcification activity; TBR, tissue-to-background ratio. * = p < 0.05, *** = p < 0.001, **** = p < 0.0001
