An official website of the United States government
Here's how you know
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.
This version is distributed under the terms of the Creative Commons Attribution Non-Commercial Licence 4.0. For commercial reproduction rights and permissions contact permissions@ersnet.org
Lung function trajectories (forced vital capacity (FVC)) from 6 to 22 years of follow-up in the Raine participants with two or more spirometry measurements (n=1512). The dashed lines represent the 95% confidence intervals.