Fig. 2.
Receiver operating characteristic (ROC) curve for YKL-40 levels to distinguish PIBO exacerbation from acute bronchiolitis. Area under the ROC curve (AUC): 0.702 (95% confidence interval (CI), 0.604 to 0.829)
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.