Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2022 Jul 21;16:17534666221113663. doi: 10.1177/17534666221113663

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s), 2022

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

PMC Copyright notice

Figure 6. — The secondary outcomes for included studies: (a) PaO₂/FiO₂, (b) ICU length of stay, (c) hospital length of stay, and (d) days free from invasive mechanical ventilation.

HFNC, high-flow nasal cannula; NIV, noninvasive ventilation.