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 Jan 12;14(2):307. doi: 10.3390/nu14020307

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

© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Risks of bias for the included studies. (A): Risk of bias graph; (B): risk of bias summary. D1 = Random sequence generation (selection bias), D2 = Allocation concealment (selection bias), D3 = Blinding of participants and personnel (performance bias), D4 = Blinding of outcome assessment (detection bias), D5 = Incomplete outcome data (attrition bias), D6 = Selective reporting (reporting bias), D7 = other bias. Sky blue (+) = low risk of bias, Orange (−) = unclear risk of bias, Turquoise (×) = high risk of bias.

Risks of bias for the included studies. (A): Risk of bias graph; (B): risk of bias summary. D1 = Random sequence generation (selection bias), D2 = Allocation concealment (selection bias), D3 = Blinding of participants and personnel (performance bias), D4 = Blinding of outcome assessment (detection bias), D5 = Incomplete outcome data (attrition bias), D6 = Selective reporting (reporting bias), D7 = other bias. Sky blue (+) = low risk of bias, Orange (−) = unclear risk of bias, Turquoise (×) = high risk of bias.