FIGURE 1.
Flowchart of study participant selection. CVD, cardiovascular disease; CT, computed tomography; FDG, fluorodeoxyglucose; MGH, Massachusetts General Hospital; PET, positron emission tomography
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.