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.
Phenotypic cluster distribution according to National Asthma Education and Prevention Program (NAEPP) severity level. Each of the three clusters is made up of participants distributed across multiple NAEPP severity classifications. The left panel (A) shows a normalized distribution with percentages of each NAEPP level in each cluster. The right panel (B) shows a histogram of the same distribution.
