Fig 2. Distribution of time to failure of HFNC/NPPV.
Distribution of time to failure of HFNC/NPPV (A) and log-transformed value of time to failure of HFNC/NPPV (B).
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.