Fig. 4.
Effect of body mass index (BMI) on mechanical ventilation (MV)-free days. CI confidence interval, SD standard deviation
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.