Figure 2.
Chronic obstructive pulmonary disease (COPD) exacerbation rates comparing Pseudomonas aeruginosa (PA) culture-positive and culture-negative groups in the pre- and postisolation segments. The shaded area indicates time of PA isolation.
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.