Figure 1.
Bland-Altman analysis plotting the difference between change in RHC-derived PASP and change in echo-derived PASP against their average, in 69 CTD patients with established PAH (96 pairs of baseline–follow-up measurements.
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.