Fig. 5. Kaplan-Meier survival estimates for USH-free survival between simple CHD and complex CHD. USH: unscheduled hospitalization, CHD: congenital heart disease.
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.