Figure 2.
Box plot showing distribution of left ventricular ejection fraction in the four study groups. One way RM ANOVA on ranks: P < 0.001. Pairwise comparisons: P < 0.05 for group 1 versus 3, 1 versus 4, and 2 versus 4.
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.