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.
Progression of Δ PaO2/FiO2 across all time-points when comparing anterior LUSI >50 and ≤50%. The asterix (*) refers to a significant difference between categories of anterior LUSI. Shaded area is 95% confidence interval. A graph with absolute PaO2/FiO2 is found in appendix I.
