Figure 1.
Strengthening the reporting of observational studies in epidemiology (STROBE) flow diagram of patients studied. ICU: intensive care unit; ∆TDI: change in diaphragmatic thickness; NIV: non-invasive ventilation.
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.