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.
Receiver operating characteristic (ROC) curve showing the utility of diaphragmatic dysfunction in predicting non-invasive ventilation (NIV) failure at (A) T1 and (B) T2 timepoints. ∆TDI: change in diaphragmatic thickness; T1: at NIV initiation; T2: at 2 hours into NIV; AUC: area under the curve; CI: confidence interval.
