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.
Nelson Aalen curves showing the cumulative hazard of all-cause
mortality and PE-related mortality stratified by mean bilateral
proximal extension of the clot (MBPEC) and by most proximal
extension of the clot (irrespective side).