http://www.dsq-sds.org/article/view/1375/1540
----
http://www.ncbi.nlm.nih.gov/pubmed/21966179
Fatigue Scales and Chronic Fatigue Syndrome: Issues of Sensitivity and
Specificity.
Jason LA, Evans M, Brown M, Porter N, Brown A, Hunnell J, Anderson V, Lerch A.
SourceDePaul University.
Abstract
Few studies have explored issues of sensitivity and specificity for
using the fatigue construct to identify patients meeting chronic
fatigue syndrome (CFS) criteria.
In this article, we examine the sensitivity and specificity of several
fatigue scales that have attempted to define severe fatigue within
CFS.
Using Receiver Operating Characteristic (ROC) curve analysis, we found
most scales and sub-scales had either significant specificity and/or
sensitivity
problems.
However, the post-exertional subscale of the ME/CFS Fatigue Types
Questionnaire (Jason, Jessen, et al., 2009) was the most
promising in terms of specificity and sensitivity.
Among the more traditional fatigue scales, Krupp, LaRocca, Muir-Nash,
and Steinberg's (1989) Fatigue Severity Scale had the best ability to
differentiate
CFS from healthy controls.
Selecting questions, scales and cut off points to measure fatigue must
be done with extreme care in order to successfully identify CFS cases.
PMID:21966179[PubMed]
---------------------------------------------
Send posts to CO-CURE@listserv.nodak.edu
Unsubscribe at http://www.co-cure.org/unsub.htm
Co-Cure Archives: http://listserv.nodak.edu/archives/co-cure.html
---------------------------------------------
Co-Cure's purpose is to provide information from across the spectrum of
opinion concerning medical, research and political aspects of ME/CFS and/or
FMS. We take no position on the validity of any specific scientific or
political opinion expressed in Co-Cure posts, and we urge readers to
research the various opinions available before assuming any one
interpretation is definitive. The Co-Cure website <www.co-cure.org> has a
link to our complete archive of posts as well as articles of central
importance to the issues of our community.
---------------------------------------------
