Figure 1.
Study flowchart. *: patients with visits fitting the study criteria were included into this and the “study group”, #: 20 patients had both IAF and OF records.
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.