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

. 2021 Jul 5;23(7):e25791. doi: 10.2196/25791

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

©Chi-Huang Shih, Pai-Chien Chou, Ting-Ling Chou, Tsai-Wei Huang. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 05.07.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

PMC Copyright notice

Relationship between the Brief Fatigue Inventory and low frequency or high frequency disorder ratio in the active phase. The blue dotted line shows negative correlation. BFI: Brief Fatigue Inventory; HF: high frequency; LF: low frequency.