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.
Difference in bronchiectasis scores between the right upper and left upper quadrant on Wisconsin chest x-ray score. The solid lines represent the raw BX data with locally weighted regression and a smoothing scatterplot function. The dashed lines represent the 95% confidence limits.
