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.
Temporal changes in pH (A), PaCO2 (B), PaO2 (C) and PaO2/FiO2 ratio (D) at baseline, 1st, 6th, 12th, and 24th hours. Data points represent medians with 25-75 percentiles, and P values were assessed by Friedman test. *P < .005 in pairwise analyses with Wilcoxon test.
Content of this journal is licensed under a