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

. 2024 Jun 15;7:157. doi: 10.1038/s41746-024-01152-2

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

© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

PMC Copyright notice

Fig. 3 — The assessment is reported by outcome categories and clinical areas including healthcare utilization outcomes (A), clinical outcomes (B), and process outcomes (C). We assessed the risk of bias using the Cochrane Risk of Bias Tool, Version 2, for randomized controlled trials. The tool categorized the risk of bias into low, some concerns, and high. All three randomized clinical trials included in this review were assessed to have a high risk of bias. COVID-19 coronavirus disease 2019, ED emergency department, RCT randomized clinical trial.